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.
The following is a guest post by Rob Levin. Rob is a Senior UI/UX Developer at Mavenlink, and coauthor of the Unicorn UI CSS Button Library. Their 2.0 release is using an SVG icon system, and here he shares some issues he's ran into along the way, and how you can watch out for them and fix them.