Google launches its new video-conferencing advice and how-to service, called Google Helpouts.

In Kenya, a growing group of amateur aviation enthusiasts are building homemade flying machines out of everything from junk metal to old car engines.

Thomas Thwaites discusses how –and why — he built a toaster from the bottom up.

Easy Answer: We've made a Do-It-Yourself Energy Audit guide for you (with help from the Department of Energy and Consumer Reports)….

Your appliances can be energy hogs–especially that old fridge you keep in the garage. Want to know just how much it's costing you?…