01/10/2013

Electric fish may have switched from AC to DC

Two very similar species of Amazonian electric fish share a key difference: One uses direct current (DC) and the other alternating current (AC), according to research that formally describes the two species for the first ...

Can children's TV characters boost STEM learning?

Can relationships formed with media characters like Dora the Explorer or Elmo help young children learn science, technology, engineering and mathematical (STEM) skills?

Researchers push the radio rainbow's limits

Back when walkie-talkies and car radios represented the height of wireless technology, there were plenty of frequencies to go around. The spectrum of radio waves was easily parsed into discrete packets: one for the oldies ...

Biomolecules for the production line

To produce proteins on an industrial scale without using living cells is the ambitious goal of cell-free bioproduction. This method could help us to produce biological ingredients more quickly and with fewer resources than ...

New video reveals NASA's Webb telescope is 'shaping up'

(Phys.org) —NASA's James Webb Space Telescope's sunshield is shaping up and it's the shape and unique design that viewers of a new video will find interesting. A five-layer sunshield helps keep the infrared instruments ...

Changes in Greenland landscape affect carbon balance sheet

Warming temperatures in the Arctic are changing the tundra from a landscape dominated by grasses to one increasingly dominated by woody shrubs. In addition to affecting the habitat of local wildlife such as caribou and musk ...

Developing unique origami-shaped antennas

A Georgia Tech-led research team has been awarded a $2 million grant from the National Science Foundation (NSF) to develop a unique approach to making extremely compact and highly efficient antennas and electronics. The new ...

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