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Metal on semiconductors may lead to invisibility cloaks

Researchers have developed a new technique that peppers metallic nanoparticles into semiconductors, an advance that could boost the efficiency of LED lighting by 50 percent and even pave the way for invisibility cloaking devices.

It’s the first technique that can inexpensively grow metal nanoparticles both on and below the surface of semiconductors.

The process adds virtually no cost during manufacturing and its improved efficiency could allow manufacturers to use fewer semiconductors in finished products, making them less expensive.

Happy Birthday, iPhone!

The first iPhone was released on June 29, 2007, so today marks the tenth anniversary of what is perhaps the most revolutionary consumer product ever introduced, and one that (along with the smartphone) has probably done more to impact the lives of ordinary people and in the process change the world more than any previous consumer good in history.

10 Years Young

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