| 1 | What weird behaviour can gases display near absolute zero? | |
| 2 | Because the telescope studies infrared heat, its mirror must be kept very close to absolute zero. | |
| 3 | And our other reference point is the triple point of water - reference points become zero Kelvin, absolute zero, and the triple point. | |
| 4 | It should be much colder now, only a few degrees above absolute zero, but it should still be around. | |
| 5 | At absolute zero, a pure semiconductor has all of its electrons tightly bound and acts as an insulator. |
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