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The folks at Veritasium have a cool video that shows us how two showers of water, manipulated just right, can generate a massive voltage. It called Lord Kelvin thunderstorm or, for the less poetic among us, Lord Kelvin water dropper. By crosslinking containers and coils, we can essentially create a bucket full of negative charges and a bucket full of positive charges. But perhaps full is too generous a term. About only one in 10,000,000 water molecules is ionized. When the machine sparks, there are relatively few electrons moving from one side to the other. We see the sparks between the buckets below, but we don ;t see the current flowing through the water above. The charg
stanley cup ed positive coil forces neg
stanley cup ative charges down and positive charges up through the stream. The negative coil does the same, in reverse. So there a low, continuous current through the water above, which sporadically creates a spark of current between the balls below. [Via Veritasium] PhysicsScience
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The Jovian moon is one of the most likely worlds to contain life in the Solar System. According to Lorenz Roth鈥攚ho headed the team that made the discovery鈥攖his is tremendously exciting. No kidding. Above: NASA artist conception of the water plumes in Europa. Until now, there was some evidence that pointed to the existence of an ocean located under Europa icy crust. But this is the first time that we have observed an actual water vapor plume, most probably coming out of the moon icy crust, as Roth explains
stanley cup : By far the simplest explanation for this water vapor is that it erupted from plumes on the surface of Europa. If those plumes are connected with the subsurface water ocean we are confident exists under Europa crust, then this means that future investigations can directly investigate the chemical makeup of Europa potentially
stanley cup habitable environment without drilling through layers of ice. And that is tremendously exciting. They have been investigating this since December 2012, according to NASA,
stanley uk to make sure these are actual water plumes and that there not a more exotic explanation, such as serendipitously observing a rare meteorite impact. Roth says that long cracks on Europa surface, known as lineae, might be venting water vapor into space. These are similar to the the ones detected by Cassini on Enceladus, one of Saturn moons. The ejections seem to be affec
