News tagged with light wavelength

Algal proteins light the way

Channelrhodopsins (ChRs) are remarkable proteins that respond to specific wavelengths of light by allowing ions to cross the cell membrane, a mechanism that makes them useful for manipulating ion-driven processes ...

Jun 08, 2012
5 / 5 (1) 0

ALMA turns its eyes to Centaurus A

(Phys.org) -- A new image of the galaxy Centaurus A, made with the Atacama Large Millimeter/submillimeter Array (ALMA), shows how the observatory allows astronomers to see through the opaque dust lanes that ...

May 31, 2012
4.9 / 5 (10) 0 | with audio podcast

Researchers fold origami with light

(Phys.org) -- Replacing the need for nimble fingers, researchers have demonstrated how to make origami using light of a specific wavelength. They call the new folding technique photo-origami, and it could ...

May 10, 2012 feature
4.1 / 5 (7) 0 | with audio podcast

Nanocrystal infrared LEDs can be made cheaply

(Phys.org) -- Light-emitting diodes at infrared wavelengths are the magic behind such things as night vision and optical communications, including the streaming data that comes through Netflix. Cornell researchers have advanced ...

May 10, 2012
3.8 / 5 (6) 0 | with audio podcast

A cannibalistic galaxy with a powerful heart

Observations by the two of the European Space Agency's space observatories have provided a multi-wavelength view of the mysterious galaxy Centaurus A. The new images, from the Herschel Space Observatory and ...

Apr 04, 2012
4.8 / 5 (6) 10