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.
The seventh Sign of the Zodiac which also rules the seventh House, the House of Partnership. Libra is ruled by the Planet Venus, Venus being the Goddess of Love in Roman mythology. In the Zodiac Libra is opposite Aries. Libra is the sign of the Scales, looking for Peace and Harmony, Balance and Cooperation, Marriage and Partnership, sometimes fickle and indecisive. What a Libra is Like: