Thursday, February 02, 2006

Solar light - bicycle

play this video
It takes steady effort to teach about energy alternatives. PV (photo-voltaic) collectors charge batteries for bicycle lights.

1 comment:

gmoke said...

We should reshoot this at night to show the lights in their use. We can also break it into at least three different pieces: the backpack, the solar headlight, and the button battery charger.

The button battery charger can also branch off into solar jewelry and other novelty devices.

I really botched the explanation of the solar circuit and called the blocking diode a resistor by mistake. Lots of work on