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| The Ruby Maser is the most sensitive amplifier ever made and today they are used in giant antennas in NASA's Deep Space Network (DSN). Some pieces of ruby in the Maser Lab. |  |
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| CAMERA: Canon PowerShot SD630 | DATE: 1/18/07 12:41 AM | RESOLUTION: 2816 x 2112 | ISO SETTING: Auto | EXPOSURE MODE: Easy shooting | EXPOSURE TIME: 1/125s | APERTURE: 2.8 | FOCAL LENGTH: 5.8mm | FLASH: Flash did not fire, auto |
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