How's this for X-ray specs? Wi-Fi can read through walls... if the letters are solid object
-
Researchers in California have found that Wi-Fi signals can be used to image objects on the far side of a wall, and claim to have demonstrated that such a system can even pick out complex shapes such as letters of the alphabet.
Mental note: Don't use large physical letters when sending private messages
-
Researchers in California have found that Wi-Fi signals can be used to image objects on the far side of a wall, and claim to have demonstrated that such a system can even pick out complex shapes such as letters of the alphabet.
Mental note: Don't use large physical letters when sending private messages
There goes my plan to use letter blocks to compose my messages and then to take pictures of them (and then fax the pictures.)
-
There goes my plan to use letter blocks to compose my messages and then to take pictures of them (and then fax the pictures.)
Take pictures? Fax? :omg: A real Luddite would paint a painting of the letter blocks, and send it by carrier pigeon!
Freedom is the freedom to say that two plus two make four. If that is granted, all else follows. -- 6079 Smith W.