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Frank Swain is a science writer and blogger. He is based in the UK.

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Scientists use WiFi network to see through walls

Category: General

Researchers have submitted a paper for publication (read preprint) detailing how to use WiFi to see through walls. The system works by measuring interference between nodes of wireless devices. When someone walks through the field, the change in resistance is...

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Posted by SciencePunk at 4:41 AM • 0 Comments • 0 TrackBacks

Navy adapts laser cannons to chat with stealth subs

Category: New Tech

Talking to submarines is a very a tricky business - most communication systems are based on radio or acoustic signals, but neither travel very far in water. This means that to pick up radio signals, submarines must surface or raise...

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Posted by SciencePunk at 5:55 AM • 5 Comments • 0 TrackBacks

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