Researchers have observed three-dimensional magnetic vortex rings in a real-world magnetic material for the first time. Contrary to theoretical predictions, these rings – which are spin configurations ...
Kelvin Geis's PenMoto is not yet another iPad stylus. What it is is an accessory thatwill make the pen or stylus you already own a lot easier to use. The PenMoto consists of two parts, both containing ...
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