No one should hold their breath, but climate change legislation is beginning to move in the U.S. Senate. The U.S. House of Representatives passed a comprehensive climate change bill last July, but it has been “resting” in the Senate, while the Senate grapples with health care reform. President Obama’s hope for a bill to be

Thomas Edison is credited with inventing the practical incandescent light bulb. The incandescent bulb that most of use today to light our homes hasn’t had many technology upgrades from Edison’s day. In its most basic form, an incandescent light bulb is a (carbon) filament, encased in glass, where the filament heated with