Cheap and quick HIV testing made possible with DVD scanners

Thanks to USB sticks and video streaming, DVD players are becoming all but obsolete. But their cheap optics may find a new life in a cost-effective and speedy technique for on-the-spot HIV testing and other analytics.

3-D printers make replicas of cuneiform tablets

Today's Assyriology scholars study Sumerian and Babylonian cuneiform tablets with the help of digital photographs or handwritten copies of the texts, but ideally, they visit collections to see the tablets firsthand.

Researchers Holding Steady in an Atomic-Scale Tug-of-War

(PhysOrg.com) -- How hard do you have to pull on a single atom of -- let's say -- gold to detach it from the end of a chain of like atoms?* It's a measure of the astonishing progress in nanotechnology that questions that ...

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