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ALMA Telescope
- Besides Arecibo and VLA, the ALMA telescope in Chile is a prominent radio telescope.
- It observes microwaves, which are just shorter wavelengths than radio waves.
Atacama Desert and Microwaves
- The Atacama Desert's dryness is crucial for ALMA's microwave observation.
- Water interferes with microwaves, making a dry location ideal.
Microwave Ovens
- Microwave ovens exploit water's microwave absorption to heat food.
- The mesh screen on the oven door, with holes smaller than microwave wavelengths, prevents leakage.