How much of the world’s energy comes from sustainable sources? I’m given free reign at a renewable energy factory to show you exactly how much in the best way I can - with some epic tricks!

posted by eric3579 3 years 4 months 2 weeks ago • 313 views • 4:36

What about the use of pumped hydro for energy storage?

posted by eric3579 4 years 2 weeks ago • 883 views • 16:53

I never thought of sand as a non-renewable resource, but there's only a limited supply: and to make things worse, it keeps getting washed into the sea. At Cape May, New Jersey, the US Army Corps of Engineers... continue reading

posted by Mordhaus 8 years 3 weeks ago • 1,756 views • 3:22

YouTube: Heart disease continues to be the number one killer in the United States. Because of that, billions of dollars are spent every year on medications that reduce your risk of disease and death. Compounding... continue reading

posted by PlayhousePals 8 years 1 month 1 week ago • 46 views • 6:22

YT: As the world switches to renewable energy - and we are switching - there's a problem you might not expect: balancing the grid. Rotational mass and system inertia are the things that keep your lights... continue reading

posted by Fantomas 8 years 6 months 3 weeks ago • 828 views • 4:06