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 nationally recognized sorority. Their motto is-Love, the greatest of all things. Zeta's are classy girls. They can drink and party with the best of them, but they also hold the highest GPA's and give back to the community through various volunteer organizations.