News tagged with communication systems

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 ...

dateOct 01, 2013 in Telecom
shares0 comments 0

Report: US spied on Brazil's Petrobras, Google

Documents leaked by Edward Snowden indicate the National Security Agency spied on Brazil's state-run oil company, the private computer networks of Google and a company that facilitates most of the world's international bank ...

dateSep 09, 2013 in Internet
shares0 comments 0

Synthetic polymer could stop the spread of HIV

A precisely designed macromolecule that mimics the binding of HIV to immune system cells could be used to stop the virus from physically entering the body, according to a new study led by a materials scientist at Queen Mary ...

dateSep 03, 2013 in Polymers
shares0 comments 0

How pesticides change the environment

The number of humans on the planet has almost doubled in the past 50 years ‒ and so has global food production. As a result, the use of pesticides and their effect on humans, animals and plants have become more important. ...

dateAug 16, 2013 in Ecology
shares0 comments 0