41. "We have a lovely small festival, " said Ms . Maser . 42. Laura Maser is Alice Waters'sister. 43. But Werner Maser , a well-known Hitler biographer, says they were fakes. 44. Maser says Thomas'version fits the pattern of misinformation about Hitler's death.45. Maser oscillations rely on the stimulated emission between two hyperfine energy levels of atomic hydrogen.46. This would be placed at a location between the laser or maser and the spacecraft. 47. Atomic hydrogen determines the frequency of hydrogen masers which are used as precise frequency standards. 48. This changed with the invention of the maser in 1953 and the laser in 1960. 49. At this time, extragalactic water ( H 2 O ) masers were already known. 50. Methine masers , on the other hand, are quite common in the Milky Way.
