The Best Headphones Under $100

I’ve tested a lot of headphones in the Reactual Labs. I’ve discovered that there are, in fact, great quality headphones priced under $100. The three of the best rated headphones are: Sennheiser, Grado Labs and AKG. Other popular brands found in electronics stores tend to have inferior sound at this price level. Here are the best headphone under $100:

Best Backyard Compost Tumblers

ComposTumbler Compact Compost Tumbler

Composting is a great way to reduce the amount of waste your household generates, plus there’s the added benefit of free fertilizer for your yard or garden. There are some nifty options for indoor composting on the market, but to do it on a larger scale you need to move outdoors. Here are four of the best compost tumblers available, …

Is This The World’s Most Efficient Windmill?

Is This The World’s Most Efficient Windmill? (photo: William Kamkwamba)

Sometimes the epitome of efficiency is using whatever tools are available to accomplish the job at hand. No one understands this better than William Kamkwamba, a teenager from rural Malawi whose ingenuity provided his family and neighbors with electricity from a most unlikely source.

Falcon Wind Turbine: Versatile & Efficient Power Generation

Innovative Windpower AG, a German manufacturer of wind turbines, has developed the Falcon 1.25 MW model to be the most efficient and versatile wind turbine ever created.  It is designed for use in challenging new locations as well as existing wind farms, with substantial advantages over competitors in both its construction process and operation.