Willebrord Snel (1580â1626) Netherlands. Although he discovered the law of refraction, a basis of modern geometric optics, in 1621, he did not publish it and only in 1703 did it become known when Huygens published Snell's law in Dioptrica..
MKDS: Heavy. R.O.B. (short for Robotic Operating Buddy) is an accessory for the Nintendo Entertainment System who has recently made appearances in a few Mario games. In Japan, it was known as the Famicom Robot, which was short for Family Computer Robot.
ALEX TREBEK (Jeopardy!): Good luck, WATSON. WATSON: Smartest Machine on Earth, right now, on NOVA! NARRATOR: Dave Ferrucci is a nervous parent. He's spent the last four years building a revolutionary new computer, and it's about to face its biggest test, in front of an audience of millions.