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.
04 â Los Zetas. It is a Mexican origin gang and one of the most powerful drug cartels in the world. Killing people is daily routie for Los Zetas members. As of 2012, Los Zetas has control over 11 states in Mexico, making it the drug cartel with the largest territory in the country.