News tagged with photons

How to remove tangles in your DNA

(Phys.org) —DNA damage is a fact of life. On any given day, an organism's DNA will suffer between 10,000 and 1,000,000 breaks or other damage. These problems are repaired by enzymes in our cells that fix ...

dateOct 08, 2014 in Biotechnology
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Seeing a photon without absorbing it

Light is of fundamental importance. It allows us to see the world around us and record pictures of our environment. It enables communication over long distances through optical fibers. All current methods ...

dateNov 14, 2013 in Quantum Physics
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How NASA builds a space laser

To build a satellite that will measure all the bumps and dips of our dynamic Earth, engineers started with a black box, built of a composite honeycomb material to make it as light as possible.

dateJun 04, 2014 in Space Exploration
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