Lene Hau. Lene Vestergaard Hau (born November 13, 1959 in Vejle, Denmark) is a Danish physicist. In 1999, she led a Harvard University team who, by use of a Bose-Einstein condensate, succeeded in slowing a beam of light to about 17 metres per second, and, in 2001, was able to stop a beam completely.
Zeta is the sixth letter of the Greek alphabet. In the system of Greek numerals, it has a value of 7. It was derived from the Phoenician letter zayin. Letters that arose from zeta include the Roman Z and Cyrillic Ð.
Zeta Tau Alpha is a women's fraternity founded in 1898. They have been ranked as #1 in the nation as best sorority for years including 2013. They have raised millions of dollars for their philanthropy, breast cancer educations and awareness and have made an amazing impact with their Think Pink Campaign.