Monday, October 17, 2011
Battery-less Flashlights
Flashlights are used sparingly in Mexico because batteries are so expensive. One alternative is a durable, long-lasting flashlight that does not use batteries. This kind of flashlight gets power just by shaking it (the LED bulb lasts a long time and they are sealed and waterproof).
Subscribe to:
Post Comments (Atom)
-
Solar energy is a great alternative source of power. Solar panels may be expensive but in the long run they are better for two reasons. One...
-
Solar-powered lighting has been installed alongside Southampton Airport's runway. Nick-named "Wig Wags" the flashing lights co... -
he Exploded Planet Hypothesis (EPH) offers an alternative explanation for the origin of the asteroid belts and comets. For an overview, see...
Its a great blog
ReplyDeletesolar panels