The IBM Selectric changed typewriters as we knew them. Their distinctive ball element replaced the clunky row of typebars and made most people faster typists. When [Steve Malikoff] thought about 3 ...

[Derek] sent in this electric ball valve he built for his bio-diesel reactor. If you haven’t checked, the commercial versions are pretty expensive. His solution was to mate a salvaged saturn ...

When you're out playing balls and your phone's battery ran out, this ball pump for sports balls is so powerful that can be used as power bank, charge your phone anytime, anywhere. Electric Ball ...