The ‘Spaser’ heats up laser technology

Lasers have revolutionized the communications and medical industries. They focus light to zap tumors and send digital TV signals and telephone communications around the world.
But the physical length of an ordinary laser cannot be less than one h…

Motivation to end racism relies on ‘yes we can’ approach

If you’re trying to end racism, it’s not enough to get people to understand that racism is still a problem. You also have to make them feel like they can do something about it, according to a new study published in Psychological Science, a journal o…

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