21.   In the survey last April, the water-vapor maser strongly amplified microwave radiations from deeper in the galactic core.

22.   Last spring, two teams studying microwave radiation left over from the Big Bang reported that the overall shape of the universe is flat.

23.   One of the five committees created under the council was the committee on microwave radiation.

24.   One complaint alleged that phone service providers and makers know the products generate unsafe levels of microwave radiation and that they had sought to suppress evidence of that danger.

25.   Satellites in space could directly convert sunlight into microwave radiation and beam it to generating plants on earth.

26.   That glow, called cosmic microwave background radiation, carried an imprint of those waves to the detectors on Earth.

27.   That glow is called the cosmic microwave background radiation, and the ripples imprinted on it can be used like ticks on a ruler to measure the cosmos.

28.   The American scientists recorded frequency lines obtained in their laboratory by passing microwave radiation through alcohol gas.

29.   The crackle turned out to be microwave radiation that bathes the cosmos, and was the first solid evidence that the universe began in a big bang.

30.   The cooler the air is in a region of atmosphere, the more a beam of microwave radiation from a GPS satellite is bent by it.