After years of wanting one (and pushing off projects because I didn’t have one) I finally bought an oscilloscope ... hot/neutral mains and earth ground (via the probe’s ground clip).

Back when the Earth was starting to cool and the first creatures were crawling from the slime ... Eventually I realized that one of the scope probe leads was a full meter longer than the other. This ...

Bennu - the asteroid could hold clues as to how the Solar System was formed A Nasa probe sent to collect rock from an asteroid several hundred million kilometres from Earth is back on track after ...