Great Ts

Try and try again.

(Physics joke, long story.)

(Dr. Who)

("A" fell "O" from laughing)

(chemical formula for Ethanol was discovered by Saussure in 1808)

("You are here.")

Heavy Metal(s)

Actually detects Wi-Fi spots and lights up.

Lights move with music (battery operated)

animated gifs from Library of Congress photos

Kevin J Wier makes animated gifs using old photographs from the library of congress flickr account. ...