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LED light wands, or light sticks, provide an effective (and relatively affordable) alternative to a photographer’s flashgun or a videomaker’s stand-mounted lamp. You don’t need to sync a light wand ...

At close: January 24 at 4:00:02 PM EST ...

In response, researchers have been exploring new computing methods that offer high-speed performance with lower energy requirements. One promising approach is optical analog computing, a technique ...

Pre-Market: 4:40:01 a.m. EST ...

After hours: 24 January at 19:59:03 GMT-5 ...