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.
5/11/2015 7:03 AM PDT. The JACK DIESEL apple doesn't fall far from the JACK DIESEL tree ... and the Gronkowski family is living breathing proof. Check out these pics of New England Patriots tight end Rob Gronkowski breakin' out the guns in Vegas this weekend ... right next to his almost-equally swoll father, Gordon! The whole shredded family hit up the Rehab party at the Hard Rock Hotel to celebrate Rob's 26th birthday ...