1. He told them that they used a microwave machine to send vibrations and keep him awake.

2. Those were the days before GE developed a microwave that can count the calories in our food.

3. The focus has now shifted to faster wireless microwave connections.

4. Since the cosmic microwave background is a form of light, it exhibits all the properties of light, including polarization.

5. In space, the cosmic microwave background was scattered by atoms and electrons and became polarized too.