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Cake day: July 31st, 2023

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  • to me it’s funny all theese climate protectors beleave the proaganda of oil companies the normal human ilhas all the fault not the companies. pssst we should start at the companies then go to the everyday human. and on the topic of ev’s i would rather drive a hydrogen car swap out the tank of your combustion car and all that comes from your exhaust is water without having to produce millions of new cars and without having the drawbacks ev’s have




  • yes an electric motor has an efficiency of around 90%(thats what my engeneering teacher told us)(google tells me 64%) means that is the percentage of how much energy is converted to work the rest of that is emmited as heat. a good rule of thumb is everywere where you have mechanikal work you have frction and friction means heat