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[url]http://www.dr.dk/nyheder/viden/tech/manden-der-kan-se-gennem-vaegge[/url]
google translate
[QUOTE]The man who can see through walls
Can you look through walls and see what people are doing in the neighboring room? Yes, it can Fadel Adib do with his wifi.
13. December 2014 pm. 10:00 updated 13. Dec. 2014 pm. 10:00
By Henrik Føhns
Fadel Adib was working on a research project at MIT - the Technical University in Cambridge, Massachusetts, where he tried to set the speed of wireless networking. But periodically broke experiment together, and the results were completely wrong. After a while he found out that every time someone walked by in the hallway, so he switched wifi to another channel, and he lost the connection.
But the error did that Fadel Adbib got the idea for a new project: to see through walls.
Wifi reflected on the body
We all know that our wifi works in several rooms than where it is installed. The signal travels all through walls. Fadel Adib found out that when one sends a wireless signal against a wall, then most of it will be reflected on the wall, but a small portion of the signal passing through the wall and reflected on what is on the other side of the wall and coming back.
Fadel Adib also found out that he then can measure the movements on the other side of the wall. Or in other words - look through the wall.
- One can imagine many ways to apply this technology. The police can look through walls and see how many people are in a house, and whether they are armed, he says.
Firefighters can scan the buildings and find the rooms where victims to be rescued. They do not have to risk their lives by examining empty space.
You can keep an eye on elderly people who have a penchant for falling into their home and could not get up again.
Can be used to play computer games
You can also pick up a person's hand and arm movements and put people to control appliances in the house through movements in the air.
It opens the possibility that in the future, for example, can play Kinnect-like game where you do not have to stand right in front of the box and the TV all the time to be seen of the game, but can move around the room - eg down behind the couch or under the table, looking for things, which is part of the game.
- We are considering whether to monitor fetal heartbeat inside the womb without touching the mother's body, says Fadel Adbib and add baby monitors as another possible function.
He can keep an eye on very small movements, eg skin that moves up and down. He can zoom in on the very small movements associated with breathing and heartbeat
The price of the unit is under $ 100 below the 600 kr. So you can have one in every room of your house. And they can cover up to 11 meters through a wall with an accuracy of 10-15 centimeters.[/QUOTE]
video in below link
[url]http://www.technologyreview.com/emtech/14/video/watch/innovators-under-35-fadel-adib/[/url]
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