Prison guards could soon stop fights with a harmless tool that shoots a laser-like beam, video game-style, down into a room where trouble is brewing.

狱卒们很快将能够使用一种无伤害的工具，对着酝酿着麻烦的房间发射一道像电子游戏中那样的镭射般的光束，来停止斗殴。

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PayPal started out as a service to beam money through Palm Pilots, while YouTube was originally a video dating site.

PayPal起步的时候是作为在掌上导航器中的理财服务出现的，而YouTube曾经是一个视频约会网站。

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Intel has joined the parade of companies trying to beam video to your TV. The chipmaker is betting on “WiDi, ” its technology for streaming media wirelessly from the PC to the TV.

英特尔已经加入到那些试图将视频播放引入电视的公司行列中，这家芯片制造商将赌注押在它的将流媒体通过无线从电脑传到电视上的技术，这种技术被称为“WiDi”。

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Next demo: Packet Video CTO Osama Alshaykh is demonstrating their Twonky Beam Browser, which lets you discover video on the Web and beam it to your TV.

FORBES: CES: Live From The AT&T Developer Summit; To Offer Data Plans For Playstation Vita; New LTE Devices; HTC, Nokia Win Phones

The MirageTable uses a 3D-video projector to beam images onto a sheet of curved white plastic placed in front of the user.

BBC: MirageTable demonstration

And, speaking of images, you can now share them and video using Google Beam, and Android now supports pairing with Bluetooth devices with the assistance of NFC.

ENGADGET: Jelly Bean, Android 4.1 revealed by Google, rolling out in mid-July