Viewing profile — leonidasrup

"In the late 2010s and early 2020s, Israeli officials encouraged Qatar to support Hamas, especially by approving the transfer of large sums of financial aid by Qatar to the organiz…

Almost any goverment can force any company to build backdoors into it's products, only protection is to use open source (it's much harder to implement backdoor in open source) on o…

https://www.digitalhistory.uh.edu/disp_textbook.cfm?smtid=2&... "The estimated cost of the war in Vietnam during the Kennedy, Johnson, and Nixon administrations was $176 billion." …

Double-counting was criticism from Fraunhofer ISI. Jan Emblemsvåg has responded to the criticism with follow on article: https://www.tandfonline.com/doi/full/10.1080/14786451.2026.…

"Germany has one of the most ambitious energy transition policies dubbed ‘Die Energiewende’ to replace nuclear- and fossil power with renewables such as wind-, solar- and biopower.…

If look up the original plan from 1980s, you will see that the German Green idea was to replace nuclear power and oil with renewable and coal and natural gas. Climate change was no…

For renewables (solar, wind) to work reliably you have to provide on-demand backup, invest in energy storage systems and increase investments in electric as renewables are often fa…

Long time ago German car industry's decided that they need not to manufacture the most important component of EVs - batteries in Europe, that they can always buy the cheaply in Asi…

The biggest problem with German EVs are not the software but the battery. The battery is the most expensive component in an EV: https://thundersaidenergy.com/downloads/electric-veh…

There was a German article comparing different traveled distances between German cities with CO2 impact of meat production. https://www.merkur.de/reise/reduzieren-sollte-besser-rei…

German car industry can produce state of art ICE, because they can manufacture the heart of ICE - the engine. German car industry is trailing with EVs, because they can not manufac…

You try to maximalize evaporation. Evaporating water removes heat very efficiently with relatively small amount of water loss. Short introduction into cooling towers: https://m.you…

The legislation was updated: "According to the adopted act, devices with a capacity of up to 30 kWh are exempt from any construction procedures; only reporting to the grid operator…

Mochovce nuclear power plant, with evaporative cooling towers, uses around 21.6 to 24.8 million m³ per year depending on operating units and seasonal weather demands. (About 0.7 m³…

The bad financial shape of EDF had multiple reasons: 1. Cost overruns in construction of the new EPR reactors. The EPR is a extremely safe and as a result extremely overengineered …

Hungary is very flat. "Most of the country has an elevation of less than 200 m. Although Hungary has several moderately high ranges of mountains, those reaching heights of 300 m or…

According to solar statistics by country in 2025: https://en.wikipedia.org/wiki/Solar_power_by_country Hungary had the highest share of produced solar electricity of all the countr…

You are not allowed to have own PV and big capacity storage without connection to electric grid?

You probably mean the Chernobyl accident. There are estimates that pollution from European coal power plants cause more deaths EACH year in Europe, than the total estimated deaths …

Metamath is interesting for education in the principles of formal proofs, because: 1. The Metamath Book is self-contained well written, simple introduction. 2. Everything is explic…

The Trump administration is opposed to wind power, we all know that. On the other hand the claim from the article https://apnews.com/article/trump-offshore-wind-national-secu... is…

Gasoline, when in liquid form, is not mixed with oxygen and burns, releases energy slowly. In comparison with TNT which is both the fuel and oxidizing agent releases energy very fa…

"Fast X: why cars don’t really explode when they crash" "Petrol and diesel can only explode when under pressure and mixed with air and in the case of petrol, have a small amount of…