17/09/2012

First mammalian 'cell phone'

(Phys.org)—Researchers from ETH Zurich have quite literally created a "cell phone": they have reprogrammed mammalian cells in such a way that they can "phone" each other via chemical signals.

Improving positioning indoors with imaging data

Whether you're walking, biking or driving, navigation systems can help you get from A to B - as long as you have a GPS signal. To find our way around large and complex buildings like hospitals or airports, we often need to ...

New 'ATM' takes old phones and gives back green

When new cell phones or tablets enter the marketplace, yesterday's hot technology can quickly become obsolete - for some consumers. For others, the device still has value as an affordable alternative, or even as spare parts.

Webb telescope uses powerful mirrors to detect distant light

(Phys.org)—The powerful primary mirrors of the James Webb Space Telescope will be able to detect the light from distant galaxies. The manufacturer of those mirrors, Ball Aerospace & Technologies Corp. of Boulder, Colo., ...

The battle to identify the world's smallest vertebrate

More and more really tiny species are being discovered, like a 7.9mm fish in 2006 and a 7.7mm frog in 2011. There's increasing competition for the title of the 'world's smallest vertebrate', but exactly how do you determine ...

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