From NOVA PBS, Solar Power:
The amount of solar energy that strike the surface of the Earth in one hour is more than enough to supply every person on the planet with electricity for an entire year. However, there are limits that prevent us from being able to fully take advantage of this energy.
For now, at least!
Watch more videos about the sun in the archives.
From Nova PBS, “What is energy and why are we on a never ending search for new energy sources?”
If you could mix your bicycle with your car, you might get something like the Firefly by Geospace Studio. With a protective shell that illuminates with LEDs for
knight night riding, could the Firefly become a fun, environmentally-friendly alternative to a car, and a warmer, more visible, all-weather option to a bike?
File under: inventions and things that glow.