Engineers discover a new gatekeeper for light

Imagine a device that is selectively transparent to various wavelengths of light at one moment, and opaque to them the next, following a minute adjustment.

Philips set to rake in 750 mn euros in IPO windfall

Dutch electronics giant Philips set a price of 20 euros per share Thursday, a day ahead of a highly anticipated IPO of its lighting arm, and said it was expecting to raise 750 million euros.

Greek archaeologist claims he's found the tomb of Aristotle

A Greek archaeologist who excavated the birthplace of Aristotle in northern Greece in the 1990s says a destroyed structure he discovered may have been the tomb of the ancient philosopher and teacher of Alexander the Great.

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