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.
Sagittarius (the Centaurian Archer) is the 9th sign of the Zodiac, and the 3rd, and last of the Fire Signs.This fiery nature is different from that of Aries and Leo, in that its directness and honesty isn't used to achieve a goal or prove themselves, it is unconscious and, more often than not, unintentional.he house of Jupiter. Jupiter is the planet that has to do with the expansion of human boundaries, through adventure, travel, philosophy and religion, and Sagittarius is used to symbolize these activities in most astrological writing throughout the world.