Flying ready-made quadcopters is fun. Eventually, though, most hackers get the urge to build their own. One of the most challenging parts is building a robust airframe. [Thomas Jarrett] has an ...

Cold frames are season-extending covers constructed over vegetable beds to keep the frost off. Like a miniature, temporary greenhouse, they are employed in early spring to create a warm space for ...

Oyap Ethio Industrial and Trading Plc, a new Turkish Company, has become the third in Ethiopia to assemble polyvinyl chloride (PVC) door and window frames. The company was established in February 2005 ...

Chilly temperatures are a sign it's too soon to think about spring planting, but a greenhouse can give you a jump on the season. Although many designs run into thousands of dollars, you can build your ...