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Physicists design ultrafocused pulses

Physicists working with researcher Oriol Romero-Isart devised a new simple scheme to theoretically generate arbitrarily short and focused electromagnetic fields. This new tool could be used for precise sensing and in microscopy.

dateJul 27, 2017 in Optics & Photonics
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Venus's turbulent atmosphere

Venus is often referred to as Earth's twin because both planets share a similar size and sur-face composition. Also, they both have atmospheres with complex weather systems. But that is about where the similarities end: Venus ...

dateJul 25, 2017 in Space Exploration
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Protecting your smartphone from voice impersonators

It's a lot easier to talk to a smartphone than to try to type instructions on its keyboard. This is particularly true when a person is trying to log in to a device or a system: Few people would choose to type a long, complex ...

dateJul 19, 2017 in Security
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