Archive: 02/22/2010

'Morning After Pill' Works up to 5 Days After Sex

(PhysOrg.com) -- A team of researchers from the United States and Europe has published new evidence supporting the use of ulipristal acetate as an effective alternative to levonorgestrel (marketed as Plan B®) for emergency ...

dateFeb 22, 2010 in Medications
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Quantum leap for phonon lasers

Physicists have taken major step forward in the development of practical phonon lasers, which emit sound in much the same way that optical lasers emit light. The development should lead to new, high-resolution ...

dateFeb 22, 2010 in General Physics
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