This week on TreeHugger, spectacular robots made from broken computers, high-tech concepts for cleaning up space junk, trash bins that text, a bike-horn-turned-iPhone speaker, and more! 1. 20 Top Tech ...

All you have to do is steer.

With the arrival of spring and summer comes the inevitable task of cutting the grass in your yard, and that means that it's a very good time to have a dependable lawn mower on hand. Perhaps you're ...