Category: Brain and storming

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Water fountain

The design of water fountains is a bit of technology and a lot of art work. The provision of water for larger basins in castles was pioneered by garden architect Le Notre in France as early as the 17th century. He took ideas from Italian designers to integrate them in his French squared designs and surprising perspectives. Vaux le Vicomte is a splendid example and a source of inspiration for many even centuries later. Listening and watching the water fall from level to level downwards calms the spirit. Worth exploring yourself.

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Paris 2024+1

Urban Planning has to deal with the medium and long term time horizon. This is a challenge in a world of short term preferences of financial markets and creditors. The Paris Olympic Games of 2024 demonstrate in an impressive fashion that a balance between these different time horizons can be achieved. The whole of France debates 1 year after the opening of the olympic games what has remained of the investment and the exceptional achievements for the country and its population. The newspaper “Le Figaro” of 2025-7-26 p.12 has published an interview with Tony Estanguet, one of the main organizers concerning the subject. The best of the Paris games 2024 for him was “to see the whole country work together”. The united spirit to make these Paris games a success remains a special experience in an often very divided society. In 2025-7 the “vasque” has survived in “Les Tuilleries” after some debate once the games were over. Therefore, a bit of the Olympic spirit can still be experienced in the center of Paris where the games have become a part of French history. 

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Sedentary Lifestyle

There seems to exist a correlation between a more sedentary lifestyle and the level of industrialization. Industrialized countries have attempted to beat the running of time by faster modes of transport. From horses to cars, trains and airplanes. As a corollary of wanting to go faster the number steps walking has decreased compared to countries with less private or public means of transportation. The the time you spend sitting in transport the less we tend to walk or cycle. Obesity has become a dangerous consequence for large parts of those sedentary individuals and sedentary societies. The contribution by Paul Klotz in “Le Monde” from 2025-7-26 (p.24) highlights the bio-psycho-socio co-determination of the sedentary lifestyle. Societal developments to build entire cities more suited to car and train traffic has made walking the city a stressful task. Rebuilding our cities with a focus for a society on the move again is a challenge for more than one generation.

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Electric Fun

The 60s, 70s and 80s have been fantastic precursors of the “All electric society” because of the electric music 🎶 industry that became a mass phenomenon. First of all the electric guitar allowed a wave of new music to take hold of a whole generation and probably keeps its adepts until today. E-pianos, keyboards, drum machines and synthesizers made music playing more accessible as well. You just need to plug in your instrument and you were able to produce an overwhelming sound. Other electric pleasures might include water pumps for water heaters and sprinklers. Electronic games and gadgets soon took over in children’s rooms. Of course, calculators as precursors of mobile phones and computers were another step in the progress towards the “All electric society”. Electronics are about to govern large parts of our lives and society. We better take a serious look at what we gain and what we might lose. 

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Just walk

The benefits of walking for several health outcomes is well known. The evidence is in favor of 7000 steps per day as a reasonable baseline. Some outcomes improve further if we walk even more steps, but not all. Probably, the effects of being accompanied while walking will enhance outcomes as well. Every summer the step threshold may be pushed a little bit further. Goal setting can help along to overcome eventual barriers to leave the home later in the evening. Nature rewards us with changing daylight and seasonal changes. We just have to get started to reap those health benefits.

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Work time reduction

One of the major elements of social progress in the 20th century consisted in the reduction of work time. Reductions from 48 hours per week in the first half of the century were largely reduced to 40 hours per week or less in some industries with strong trade union representation. State regulations also pushed in this direction with positive implications for physical and mental health as well as wellbeing. Advances in longevity of employees may be attributable to this social progress agenda of the 20th century. In the 21st century we witness a new thrust of enterprises and employees striving to implement a 4 day work schedule by at the same time organizing a further reduction of work hours. The scientific evidence which is based on pre- and post trial assessments of workers satisfaction shows rather positive results (Fan, Schor, Kelly, Gu 2025). More studies are due to accompany this potential of further health and wellbeing effects of reduced work time and the reorganization of work time in enterprises. 

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Roof under snow

The painter Caillebotte has captured Paris roofs under snow. Hundred years later this will be a rare event. The original painting we can still admire, the original scenario will be a rather rare event. Snow changes city life as everyone walks slowly and traffic as well as other noise is softened by snow as well. Mankind is changing the course of history through global warming while ignoring the consequences for later generations. The links between art and science are closer than we tend to believe.

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Climate Awareness

The Musée d’Orsay has prepared a wonderful walk through its permanent exhibition of late 19th and early 20th century installations to reflect upon climate and climate change. Raising awareness about the treasures lost and those we are about to lose in the next few years. Impressionist painters have depicted landscapes, cities and monuments covered in snow, which the next generations will no longer be able to enjoy the same way. The roofs of Paris covered with snow has become a feature of a distant past. Additionally, the impression of the massive steam trains crossing metal bridges appear as the daunting future of technical progress. Mixed feelings of fascination and risk associated with those machines were captured by those painters’ eyes. Nowadays we are aware of the consequences of this technical progress for our planet. The walk through museum with a focus on climate related paintings is eye opening indeed. (Image: Extract of Éduard Veuillard, Le jardin des Tuileries, Musée d’Orsay, Paris) 

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Museum Marketing

The century old idea of a column that keeps people informed is prominently displayed at the Musée d‘Orsay in Paris in 2025-7. The example on display demonstrates the Parisian adaptation of the „Litfasssäule“ to the local architecture. The marketing tool of a round display for posters rather than the flat depiction of images has its own „Charme“. The huge version of a sign post allows to display a lot of information and a close reading as well. The cross cultural adaptation is interesting as most people would believe it is a rather unique Paris invention, whereas it is an adaptation from elsewhere. Of course, it has the French touch to it, which makes it unique in a sense again.

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Scienceploitation

Science can be exploited to make unjustified profits from referring incorrectly to it. Social sciences, like economics may be used by banks to sell you products that refer to science only as part of their arguments if the science based inference fits their purpose. Scienceploitation is very common in the field of para-medicine and para-pharmaceutical products. Health promises sell. The time until an ineffective treatment reveals the unrealistic promise to be unachievable considerable profits have accumulated on the side of the selling company. Science has a hard time to counter the perils of scienceploitation. Advanced knowledge can be used and abused as any other method of convincing people to buy or subscribe to a product. The responsibility of the scientific community consists also in finding ever new ways to counter scienceploitation. AI will pose additional challenges as well as opportunities.  

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Geo-politics of Electricity

Think of a society only based on electric energy. In the 21st century this energy stems from photovoltaic cells, wind and water turbines as well as geothermal energy sources. Each region of the globe and even within a country has its own kind of access to electric power specifically originating in the geographic and geologic context. This means we are returning to a phase in which “natural monopolies” of power generation have their comeback. Rather than nation wide power monopolies, the regional specificity becomes important again. Of course, this raises a lot of geopolitical issues and maybe tensions. Local economies will develop their own electricity provision. Larger and smaller companies can reorganize their power provision themselves. Energy monopolies become outdated if the infrastructure and legal frameworks are adapted to the potential of the “All electric society” conditional on new forms of “power” sharing. Electric and political power sharing will be key in the geo-politics of electricity.

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Electrifying Jobs

The transition to the “all electric society” necessitates to prepare the labor force for the upcoming challenge. The knowledge about electricity and electric appliances constitutes the basics of the knowledge base of the future. This goes far beyond the basics of physics and electrical engineering. There many processes like sharing of electric infrastructure in households, cities, in and beyond countries that have to be delt with. Investment calculations and legal issues to address the different risks involved are another area to cover in the process to prepare society for the “all electric society”.
However, the skills of professions with more direct links to the fossil fuel based technologies have a role in the phasing out of the heavy reliance on fossil fuels. Reverse engineering of such engines and heating will need people still knowledgeable of the past, when younger generations set their focus primarily on professions with links to electricity. Even using a solar powered heat pump in a home requires pipes to the existing network of radiators, for example. This will most likely be a gradual shift of the job structure and occupational requirements over at least a decade, but the shift has started already. Some might argue we need a well functioning “transitional labour market”, labour market policies and social security system for this to happen smoothly.

 

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Less but better

There are many examples where a new mantra for the 21st century emerges from recent scientific evidence: “Less, but better” (Lbb). In studies of nutrition and human dietary requirements, the importance to eat less has been demonstrated on a regular basis. And this is even more important than to do more exercise if weight loss is the target or the attempt to explain obesity across the globe (McGrosky et al. 2025). The case for eating less is strong. Eating better refers to the need to avoid unhealthy, toxic or cancerous food or the way to prepare food. “Less but better” could become the new mantra or “categorical imperative” if you like it more philosophical in tone. We, the people gain, and the planet will gain as well. It is an easy win-win case, albeit with some behavioral implications.

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Too much electricity

  • The “All electric society” has a problem very few other societies have. It has to make provisions for cases when there is too much electricity in the network. What seems like a problem some energy poor countries, regions or people will dream of, has become a costly matter in California beyond Californication. A report in “The New Yorker”  2025-7-9 by Bill McKibben highlights the fact that California had to pay neighboring states to take and consume its surplus production of electricity. With a surplus production of 1.5 the total demand of electricity the costs become a sensitive issue. Intelligent distribution and appliances can absorb huge additional quantities, but the network stability has to rely on a suitable infrastructure for this as well. Optimizing de-central production and consumption is the easy theoretical solution. Hence, the all electric society has to deal with affluent power generation in the near future more than with too little electric power. Prepare tp run your AI-systems in a decentralized manner to safe the planet from more nuclear power plants and nuclear waste as a corollary. Electric power has always been an issue of political power. The all electric society will not be different in this respect. A decentralized prosumer society, therefore, is an empowerment of citizens, comparable historically maybe only with the French revolution or the technological progress spurred by the discovery of Ohm’s law.

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All electric now

The shift over to the “All electric society” is easiest in sunny states like California in the USA, Africa or Southern Europe. For other regions of the globe not only the production of energy through the sun is a bit less abundant, but the storage of the sun’s energy production for deferred use is the next challenge. Countries of the globe near the equator have to balance 12 hours daylight with 12 hours night, countries far from the equator have to balance additionally more long-term between short winter days and long summer light.
Different energy storage solutions have to be envisaged.
On a daily basis or even weekly basis, battery energy storage systems (BESS) can do the trick. These systems become more costly for high capacity, longer duration storage. Battery size and price quickly become an issue. The number of electric vehicles (EVs) that have this more intelligent BESS is rising. This makes it possible to eventually use this storage capacity, if your car is sitting around your home or office for most of the time anyway. To make the “all electric society” function 24 hours, energy storage has to be planned at the same time as production and consumption patterns. The all electric prosumer will be the de-central “pro-store-sumer” in the 21st century.

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Work and Time

The link between work and time has been evolving as a major element of social progress over centuries. In what younger generations seem to take for granted, <40 hours week, paid time off-work. 4-5 days per week to name only the major ones, has been the result of huge struggles and hustles driven by employees and their trade unions to achieve such milestones. The current debate to get employees back into offices and/or to work longer hours again, is also in the end a debate about work and time. The advantage of working from home consists among other factors in saving a lot of valuable time and stress from commute to work. This unaccounted time to go to work has become a major health hazard even in an apparently comfortable company subsidized car or any other means of transportation. The traffic jams of so-called rush hours, when in fact everybody is slowed down, are a serious health hazard usually ignored by employers. However, these hours are a major part of the work-life-time balance of employees. In many negotiations and collective bargaining about working time this is the big elephant in the room rarely addressed.

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Green trade flows

The statistics on trade flows reported by the UN Department of Economic and Social Affairs have a comprehensive data base in the background. The descriptive inspection of the raw data on trade flows comprising solar panels, batteries and electric vehicles shows a stark imbalance of how future-proof the trade between countries is. The New York Times (David Gelles et al. 2025-6-30) has put this information into an impressive graphical design to show the magnitude of the imbalance of how China trades in green products with the world and how the USA is losing out on future-proof low carbon emission trade. Despite the fact that China is still heavily emitting CO2 today due to burning coal for electrical power, the investments at home and trade with the world is moving into the opposite direction. We have seen many of these industries at risk in Europe, like solar panel production, batteries and increasingly electric vehicles, without the western countries getting organized to address crucial business and economic challenges. Falling behind in these industries and trade will shift global balances in the near future. Renovation through innovation is more promising than holding on for another decade to inefficient and more polluting energy sources. Repairs of homes and buildings have long lasting effects, which we can, nevertheless, change today.

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Ultimate Step

Reports in the New York Times, The Guardian and Le Monde in recent weeks have brought to our attention that there are shocking ultimate steps undertaken by several employees of public services. In the case of the British post office a decade long inquiry has uncovered that 13 suicides of employees occurred after they had falsely been accused of fraud. A long time ago in France Telecom a series of suicides was also attributed to a harsh personnel policy. The Office of Public Finances (DGFiP) is confronted with a series of suicides in 20025 of 12 employees who apparently made the ultimate step to put an end to their life. Not all is to be blamed on the enterprises or public services concerned, however, they failed or omitted attempts to prevent the ultimate steps. Initiatives like peer listeners as anonymous contact points or access to psychological counseling are necessary parts of a responsible human resource practice, even if it might not be a sufficient condition to avoid the ultimate step in some instances. In many cases employees go far beyond their mental capacities in terms of commitment to their work, they should not be left alone in case of severe consequences.
Burn-out, for example, needs to be tackled as part of the responsibility of enterprises and public services alike. It is highly unfair to put the costs of psychological consequences on the shoulders of families and the state. Investigations into toxic leadership styles and the current revival of “workaholic” work ethos will have serious negative consequences for families and society as whole again.

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Bench the benchmarks

In the social sciences as well as in engineering it is common practice to use benchmarks as indicators of performance. Thereby, several countries or regions within a country are compared with respect to quantitative indicator. Let’s take employment ratios. A higher employment ratio, which includes many persons working few hours in part-time work, is different from a slightly lower employment ratio, but hardly any part-time employees.
The same rationale holds true for benchmarks of AI systems or the newer versions of agentic AI that are under construction in many fields. The paper by Yuxuan Zhu et al. (2025) proposes the ABC (agentic behavior checklist) for agentic AI developers. The reporting of benchmarks by such models should include (1) transparency and validity, (2) Mitigation efforts of limitations and (3) result interpretation using statistical significance measures and interpretation guidelines.
The aim of this research is to establish a good practice in establishing benchmarks in the field of agentic AI. The sets of criteria to test for is large and the focus of how the agentic AI treats, for example, statistical outliers much above or below the average i.e. (> 2 standard deviations from the average) assuming a normal distribution, is one case of application only.
We welcome the efforts to bench the benchmarks in the field of AI as is common practice in other sciences as well.

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Learning by using

Is learning by using different from learning by doing? In an economic model to test the employment/unemployment impact of AI in the USA, Wang & Wong (2025) suggest an important impact of employees’ productivity due to learning by using AI. In terms of the traditional language of economics the employees who use AI in their work shall have comparative advantage to those who don’t.
In a model of job search in the economy there is the additional possibility, similarly to robots previously, that certain tasks maybe influenced by the, more or less, plausible threat of an employer to replace the employee by training an AI system to perform the tasks. The credibility and acceptability of such threats are likely to impact wage claims and unemployment risks. All these effects do not happen instantaneously, but evolve over time with varying speed. Hence, calculations of effects have high error margins. The resulting model yields oscillations of “labor productivity, wages and unemployment with multiple steady states in the long run”.
Learning by using seems to be a good description of what occurs at the micro level (the employee) and at the macro level of an economic sector or the economy as a whole. Society may guide the use cases of AI just as much as the business case to use AI, for example in the creative industries as infringements of copyrights may occur on a massive scale. However, learning by using is not free of risks to society at large. Just like allowing people to use automotive vehicles has lead and still leads to thousands of deaths annually, learning by using produces external costs. Overall, this is another case for a benefit/cost analysis for businesses, the economy and society.

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Pepper and Nao

We have seen many persons that became somehow emotionally touched when addressed by Pepper or Nao. These 2 versions of a humanoid robot have served for thousands of persons as the first welcoming moving information desk. I have been guided through museums (DTM, Berlin) and exhibitions by this robot guide with a friendly outlook. Beyond those experiences there is a lesson in industrial policy to be learned from this innovative French humanoid robot. The start-up enterprise was founded as early as 2005. With a substantial funding of ½ billion € from Softbank the enterprise could develop robots for the fields of personal companionship, education, restaurant services or personal care for the elderly.
We have seen the robots at international fairs in several countries, but the prohibitive costs have limited the rapid spread of the robots to broader applications. Subsequently, the decline of the enterprise, or not reaching financial targets fast enough, caused the loss of financial support for the enterprise. In 2025, Aldebaran filed for bankruptcy and the patents will be sold to the best offers. The employees received generous packages of departure and will most likely find rapidly jobs in other robotics, IT or AI related fields.
The loss is probably greatest for the persons who were serviced by Pepper or Nao in elderly homes or the Swiss hospitals, as spare parts or updates will no longer be available. The humanoid robot story is yet another case where the social, economic and financial context of technology is overriding the technological innovation process.

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AI 2nd round effects

The most popular topic currently is AI.
Most writers, assisted by some form of AI, will deal with the 1st round effects of AI. These consist in the immediate consequence of the use of AI in office work, medical and military applications, music and all producing or creative industries. As an economist you take the input – output matrix of the economy (OECD countries) and take AI as an additional dimension of this I/O matrix, for example. The result is an AI-augmented model of the economy. This 3-dimensional cubic view of the economy asks to reflect on the potential short-term and medium-term impact of AI.
Let’s take the example of translation and editing services. AI will in the short-term or the 1st round effects make it easier to offer mechanical translations with fast turnaround. Most likely, this will lead to less translators needed for routine translations of longer texts, which would otherwise be a very costly endeavour. The 2nd round effects, however, will make the expert knowledge of translators of texts, where every word counts, more necessary in order to provide the best version of a translation targeted on specific audiences.
In the legal domain, for example, the precision of words is primordial and errors can be very costly. Hence, the 2nd round effects of AI in this field will increase the demand for high quality translation services more than before the use of AI. The important shift consists in these 2nd round effects of AI, which give a push to multilingual societies as just one medium-term outcome.
Please use AI to read (listen) to this paragraph in your native language or even dialect using your favourite AI-tool.

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Pet effects

Pets have effects, some might cancel out each other. In psychology there is a long debate about the pet effect, which claims that pets have overall a positive effect on a person’s well being. This claim has recently been debunked. Many persons have taken over the care of an animal for their own comfort and regular daily routines. The Covid crisis had spurred such behavior in many people, but the scientific evidence taking into account the responsibilities that come with ownership of a pet, can outweigh the benefits of having company. The choice of a pet should certainly not be an easy or haphazard one. There is a need to consider the full range of pleasure and responsibilities. Traveling with pets and vacation times pose additional challenges that can cause stress to owners as well. Dog sitting or pet sitting platforms have been thriving since the Covid pandemic and this is to the benefit of everyone involved.

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Pervasive waste

From time to time waste from so-called highly developed countries is making headlines and then it is forgotten again. Huge amounts of plastic waste gets shipped for example from the USA to Malaysia in containers regularly (NYT 2025-7-1). The dumping of waste in other countries where it is cheaper to waste the waste is a cynical practice. Not only is the potential for reuse and a circular economy disregard, the little control that is exercised how the waste is treated afterwards is neglected. Some might just end up in our oceans later on or find its way in our food chains. The recent discovery of lots of nuclear waste at 5000 m depth in the sea in another extreme example of this practice to dump waste affecting all of is when profits have been accumulated inn the hands of a few enterprises and states. Such external effects as they are called in economic theory are part of the standard economic thinking. The challenge is to detect such behavior, persecute or better prevent it. This calls on countries who produce the waste to check for the contamination potential and treat their own waste. Fukushima has lots of barrels of nuclear waste waiting. The pervasive nature of this waste will make it last for thousands of years. “Beggar thy neighbor” with your waste is a major default of our current economic and social model. It remains an unresolved puzzle why mankind continues to work towards its own extinction. (Image: Le grisou, Constantin Meunier, MRBAB, Brussels). 

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Music Lunch

The possibility to pass a lunch break with live music inspiration is, unfortunately, quite rare. The Brussels festival “midis minimes” has created a popular format for classical music to be performed in easy to reach venues in the city center. Working in the center allows to hop into a 45 minutes performance of varying artists, instruments and music styles. The “Cercle Royal Gaulois” offers enough seats. Even without a reservation it is feasible to forget about work and get inspired by musicians. and the composers and arrangements they propose. Gaëlle Solal and Juliette Hurel offered short digestible pieces by Bartok, Ravel and Piazzolla with a focus on their popular dance tunes often based on previous folk tunes. We virtually traveled from Romanian tales to La Habanera and Tango and back to work for some.

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Korean Epilogue

The exhibition on the Korean Provisional Government closed with a stimulating epilogue. The call on visitors to spread the message of peace resembles religious practices. The long struggle for Korean independence and freedom for the people in South Korea leaves them wishing the same for all Korean people and beyond 75 years after the beginnings of the Korean War. From a German and Eastern European perspective this unaccomplished wish resonates a lot. The small stickers with messages from visitors propose short thought pieces like “South and North Korea shall be together” and “Peace starts with inner peace”. The wisdom in these statements lies in not giving up on ideals, however distant they may appear. There is always the possibility of small steps ahead.

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Korean Independence

The independence of a country is sometimes a long struggle. At particular points in time, a window of opportunity may open up, which allows to change the course of history. In many cases the opportunity to gain independence has been prepared for several decades, at least from 1919 onwards to come to fruition only after the end of the Pacific war, shortly after the Nazi-regime was defeated. The long and relentless preparation of the Korean Provisional Government ensured that a consensual constitution was ready to be adopted and elections to be held. The resulting division of Korea into 2 parts (South and North), just like East and West Germany, is rather long lived on historical time scales. For that matter, the hope of a peaceful unification needs to be reiterated again and again. The informative exhibition of the Korean Cultural Center to Belgium and the EU highlights the continued “Dream of Peace” which continues even after more than 100 years.

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History coined

It is an ambitious project to frame history of a country or continent according to the succession of coins. In the KBR such an attempt is currently on display in 2025. The history of a country in the center of Europe is reflected sometimes through different occupying forces who imposed their currency onto the occupied territories. The Greeks and Romans had an overriding impact on the development of coins in human history and society.  Precious metals were used as basis to embody lasting value into coins. The images on coins are also a way to reiterate the dominance of a new ruler or governance. From the Roman occupation there are nice specoin the KBR collection as Julius Caesar named one part of the 4 occupied territories “Belgica” beyond what we define as borders of Belgium in the 21st century. Control of your own currency means also to be able to produce unique pieces in your own foundries. The history of coins is also a history coined by those in power to enforce their political power onto the economy. (Image: KBR, The history of Belgium illustrated through coins, 2025).

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Social promise

In the beginning and middle of the 2020s the social promise to younger generations has been broken. The latest figures from the USA reveal that 2 million students (WSJ 2025-6-25 A3) who have financed their studies and potential social mobility by taking out a substantial loan are very likely to default on their credits. This observation was less a surprise to labor market analysts as the stalling of student hiring in many countries has happened for several years now. The more surprising finding is that the Wall Street Journal 2025-6-25 has been reporting on this. Banks or universities who are highly exposed to this kind of risk will themselves become downgraded for their credit rating. Higher interests for universities means higher fees and higher student loans eventually. The social promise to reach higher status and earnings through higher education as the social promise of the meritocratic society becomes an illusion. Investors in student housing might also find the sector less juicy for them. Students and their parents were taken hostage by an excessive commercialization and commodification od education. Lifelong learning is a still a promising route to revitalize the social promise.

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Home financing

For most people the biggest investment decision during their entire life course is the decision how to finance their home. The calculation of the costs of a bank loan over 10, 15 or 20 years to finance the acquisition of a home is a necessary part of basic financial literacy. The contract of monthly installments over years, considering economic uncertainties like inflation and interest rate payments, necessitates some basic knowledge of calculus and maybe the use of a spreadsheet to prepare payment plans with different scenarios. According to the Wall Street Journal of 2025-6-25 many home owners in southern states “slipped under water” in recent months in the USA. In short, buying a house when they are most expensive with a high interest loan and little down payment puts you at high risk if the prices for homes decline, for example like in a recession or stagnation. You can find yourself in the situation that the mortgage you have to pay suddenly exceeds the value of your home at actual prices. It is really important to be aware of the overall economic situation and risks of changes, like interest rate or inflation spikes due to a changing policy on tariffs. Reading and learning about financial risks should really enter into the school curriculum, but not left to maths classes as this will frighten off many students to take this topic seriously enough.