Word: interactivity
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Light must be in electromagnetic form for individual photons to interact with one another, which allows for information processing...
...intriguing futuristic application would be processing signals that are carried by individual protons,” says Lukin, who has been on the faculty for three years. “If you could make these single photons interact or ‘talk’ with each other, you could process the signal which is carried by just one single photon. This would allow us to process information in a completely new way and to build new devices like quantum computers...
...next step in their research, according to Lukin and André, would be to trap light in all directions and to manipulate and interact trapped light pulses...
Increasingly, it seems, the gray hairs that parents once got from fretting over why Johnny can't read are now just as likely to sprout from anxiety about why he can't behave. "When a lot of parents see how their kids interact with playmates and other adults, they're horrified," says Denise Honaker, who taught Kevin and 14 others in the Polite Is Right class she held after school at Cornerstone Elementary in Rancho Palos Verdes, Calif...
...process of being defined, and as its dimensions become clearer, so will the nature of the challenge the world faces. Although scientists have done a lot of thinking about global warming, they are just beginning to grapple with the problem of how global warming and solar dimming interact. As Ramanathan puts it, "It's like we have a new gorilla sitting down at the table"--and it could turn out to be a very big gorilla indeed. --By J. Madeleine Nash