Saving Earth

Throughout history, humans have searched for better energy sources and better ways to harvest energy. A rough estimation of mankind’s energy consumption through different periods of history is displayed in the figure.

Antarctica has no trees or bushes at all, vegetation is limited to about 350 species of mostly lichens, mosses, and algae. There are lush beds of such vegetation in some parts of the Antarctic Peninsula. Lichens have been discovered growing on isolated mountains within 475 km (295 mls) of the South Pole. [...]

Brilliant comic from Bill Watterson’s Calvin and Hobbes comic…One of my favorites.

Expand your batteries life span: It is best to buy rechargeable batteries but if that is not an option here are some tricks to increase the life of a battery.

Do not replace all 4 batteries. When your device stops working, it may be because only one battery is dead. Try buying the self-testing batteries and [...]