MAKING STUFF SMALLER

“Making Stuff Smaller,” the second in Nova’s “Making Stuff” TV series, is just as intriguing as the first.

Our host, New York Times tech columnist David Pogue, steered a nano- robot inside a pig’s eye. We saw the robot get larger on the screen as it came near the eye’s surface and smaller as it plunged into the depths. It was all done with magnetic fields. Some day, it will cure a form of blindness caused by blocked blood vessels.

Continuing the nano theme, Pogue explored how gold and silver particles are ┬ábeing used to test for genetic variation; it’s much cheaper than DNA sequencing. Pogue gave up a bit of blood for science and learned that he is sensitive to the blood-thinning drug Warfarin.

The show airs on Wednesday nights on PBS, or you can watch the latest episode here.

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