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Tag Archives: Energy

Can economy grow forever?

We have been living all our lives through a period of economic growth (with a few, short, recession here and there that were considered an exception and something to get rid of quickly). Hence, our perception is one of a natural economic expansion. Most economists state that an economic expansion …

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The Sun energy is future proof

The amount of Sun energy reaching our Planet is staggering: 173,000 TW, 10,000 times more of what we use. Hence we are not short of energy, the real issues are three fold: how to harvest it how to transport it to where it is needed how to get rid of …

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DT evolution in Manufacturing – XI

General Electric, as already mentioned, has been working for several years applying DTs to the energy production, specifically using them to monitor and control wind turbines. Wind farms are costly and complex systems where efficiency can be increased by fine tweaking of the blades angle and this in turns alters …

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The tangled world of Energy

Beyond the tragic number of war victims the Russia-Ukraine confrontation is having a -growing- impact worldwide and for several European Countries a strong impact on energy sourcing. eas The ramification of energy shortage/increasing cost is broad, affecting industries, families and single individual. It goes even further impacting the climate on …

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Post-Pandemic Scenarios – XLI – Energy 3

The quest for clean ways of transforming energy is relatively recent.We usually talk of “clean” energy but the point lies in the “transformation” of energy and whenever we are transforming energy the second law of thermodynamics rules. In lay terms this law states that the process of transformation always result …

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Bits are green. Right? Wrong!

Bits seem evanescent: the last photo you took probably was converted into some 50 million bits, the zoom call you just finished, it was a quick one, just 10′,  has brought  2 billion bits to your home (the actual number depends on the number of people in the call and …

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Electric cars carbon footprint

I am involved in a group in Turin, Italy, setting up a lab for sustainable mobility and there is lot of talks on hydrogen as a fuel, electrical vehicles (of different sorts) all of this under the umbrella of sustainability, lower CO2 emission, circular economy. The more you look into …

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The weight of bits

Just three weeks ago an article was published on Phys.org reporting on a study by Melvin Vopson, Senior Lecturer in the School of Mathematics and Physics at the University of Portsmouth, and his reflection on the nature of bits, considering the mass energy equivalence (Einstein), the application of thermodynamics to …

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