2d ago

What's the wrongest thing a teacher ever told you?

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Had a science teacher back in middle school that claimed to have a buddy that "designed" a way to make gas engines more efficient by running the gas line over the engine to warm it up before entering the engine. Said that GM bought the "design" with no patent, and hid it away so that it wouldn't get out. Problem is, that's not how BTUs work and GM would obviously know that. Also that's a good way to destroy your engine by misfiring.
- I was told a similar thing but the claim was that the person had invented an engine that ran on water haha.
  
  I know of an engine that runs on water. It's a shame you have to heat it up a whole lot first for it to become steam.
  
  I knew a kid at boarding school who claimed his dad worked at BMW and was looking into this. Years later Im working at BMW in the cafeteria and I meet the kid’s dad. He did in fact look into hydrolysis for making hydrogen for cars on paper but couldn’t figure out how to not make the car explode in an accident.
  
  Wouldn't the hydrolysis of the water take energy that required fuel though? The claim seemed to be more that the water was the fuel so to speak, as in the same way that petrol is in current combustion engines.
  
  German Navy U-Boats run on water.
  
  Yes but they first were concerned with making the fuel system not explode and they never managed to figure it out.
  
  My mom believes this one (she believes in a lot of crap...). Allegedly there was a dude who made a car run om water, but the evil oil company Shell bought the idea so that it would never come out!
  That is of course ignoring the fact that the supposed guy wouid still have knowledge on how to build one.
  Or... The simple fact that water can't be used as a fuel like that.

249 comments