n1 sin Î¸1 = n2 sin Î¸2. This form of Snell's law was actually published by RenÃ© Descartes (1596â1650) France in La Dioptrique (1637). Snell did discover the relationship but articulated it in a different way. Today it is the form used by Descartes that is called Snell's law.. The index of refraction.
Robert Paxton Rob Gronkowski (born May 14, 1989), nicknamed  Gronk , is an American football tight end for the New England Patriots of the National Football League (NFL). He played college football at Arizona and was drafted by the Patriots with the 42nd pick in the second round of the 2010 NFL Draft.
Rob Gronkowski Gets a Head Start on 26th Birthday, Parties Hard in Vegas. via @rehablv. May 11, 2015. We don't know if Rob Gronkowski has stopped partying even for a day since the New England Patriots won the Super Bowl in February, but what we do know is that with Gronk turning 26 years old later this week, the party won't stop anytime soon.