News tagged with acoustic

Beneath the Arctic polar cap

(Phys.org) —The Arctic polar cap has been melting at an astonishing rate over the past 20 or so years. In addition to causing higher sea levels and other environmental impacts, the decreasing surface is opening up new resources ...

dateJun 12, 2014 in Earth Sciences
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Making frequency-hopping radios practical

The way in which radio spectrum is currently allocated to different wireless technologies can lead to gross inefficiencies. In some regions, for instance, the frequencies used by cellphones can be desperately congested, while ...

dateMay 15, 2013 in Semiconductors
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