Tag: cellphones
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Nation & World
Do phones belong in schools?
Banning cellphones may help protect classroom focus, but school districts need to stay mindful of students’ sense of connection, experts say.
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Nation & World
A thinner, flatter lens
A new meta-lens works in the visible spectrum, seeing smaller than a wavelength of light. Because of this development, high-efficiency, ultra-flat, or planar, lenses could replace heavy, bulky ones in smart phones, cameras, and telescopes.
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Nation & World
Attention, undivided
Jay Winsten of the Harvard School of Public Health hopes to recruit entertainers for a campaign to reduce distracted driving.