News tagged with communication signals

UN Africa commanders call for better technology

(AP)—The commanders of two peacekeeping missions in Africa appealed Wednesday for more sophisticated military technology to stay ahead of armed groups threatening civilians and government.

Jun 27, 2013
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Sun emits a solstice CME

On June 20, 2013, at 11:24 p.m., the sun erupted with an Earth-directed coronal mass ejection or CME, a solar phenomenon that can send billions of tons of particles into space that can reach Earth one to ...

Jun 21, 2013
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Plants 'talk' to plants to help them grow

Having a neighborly chat improves seed germination, finds research in BioMed Central's open access journal BMC Ecology. Even when other known means of communication, such as contact, chemical and light-mediated signal ...

May 06, 2013
3.8 / 5 (28) 8 | with audio podcast

Eye exam for a satellite

You don't just strap a satellite to a rocket, launch it, and voilà, it takes measurements. Beyond maneuvering into the right orbit, there are a series of check-out procedures to make sure the satellite performs ...

Apr 17, 2013
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