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.
SeÃ¡n William McLoughlin, born February 7, 1990, known on YouTube as jacksepticeye or just as Jack, is an Irish YouTuber who does videos on video games and occasionally vlogs. He still resides in Ireland, and he is self-proclaimed as the most energetic video game commentator on YouTube.