Both print, but they use different technologies that serve different purposes and will suit different people. Here's how to decide which is right for you.
Researchers at the University of Basel and the ETH in Zurich have succeeded in changing the polarity of a special ferromagnet using a laser beam. In the future, this method could be used to create ...
8don MSN
The easiest way to hang a round mirror isn’t with a tape measure. Use a laser level instead.
Throw a green beam and leave your hands free to adjust your workpiece.
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