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All Along the Watchtower ER July 1, 2025 9:13 pm (CurrentEvents)

Birthright Citizenship RobVG June 29, 2025 3:34 pm (CurrentEvents)

A Taste of Armageddon RobVG July 2, 2025 8:00 am (CurrentEvents)

We've got company ER July 2, 2025 7:50 am (Space/Science)

To be blunt, NASA is now dead RL June 27, 2025 11:56 am (Space/Science)

Just for the record... ER June 22, 2025 8:59 am (CurrentEvents)

NSIDC offline? ER June 12, 2025 12:19 pm (Space/Science)

Musk trashes his own AI after it chose a liberal worldview. RobVG June 23, 2025 9:56 am (CurrentEvents)

Psyche keeps its date with an asteroid BuckGalaxy June 22, 2025 5:21 pm (Space/Science)

The Three Unknowns After the U.S. Strike on Iran BuckGalaxy June 22, 2025 12:58 am (CurrentEvents)

There are only nine meals between mankind and anarchy. BuckGalaxy June 22, 2025 12:29 am (Flame)

"Remember, what the dormouse said, ER June 5, 2025 4:14 pm (Space/Science)

Home » Space/Science
NASA TV(hd)

 

Acoustic Levitation by Jody December 5, 2015 7:37 am
    Yo, RL. You're our laser expert.... by ER December 2, 2015 7:24 pm
    • Typical laser pointers have a power under 5mW. These do not pose a realistic risk of permanent eye damage under ... by RL 2015-12-03 14:37:55
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      • Thanks. by ER 2015-12-03 15:10:09
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        • Go ahead and use a pointer by RL 2015-12-03 15:27:06
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      • I am about to hit the bed, and will answer in more detail tomorrow evening. .. but it depends what ... by RL 2015-12-02 19:47:25
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        Bleak November by ER December 3, 2015 7:29 am
          Martian Strata by RL November 25, 2015 7:06 pm
          • How much of this is wind erosion? by TB 2015-11-26 19:29:55
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            • Someday, that'll be part of a really wonderful hike by mcfly 2015-11-26 19:28:25
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              • It looks a lot like Texas. by ER 2015-11-26 07:19:50
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                • Not from where I sit. by Jody 2015-11-26 10:51:12
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                  • I hear you guys are getting all the free water you can handle these days. by ER 2015-11-28 17:18:22
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                N Polar ice forecast--21st century by ER November 25, 2015 1:27 pm
                • 2015 to be warmest on record... by RL 2015-11-26 11:42:48
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                  • Meanwhile, the idea that researchers are pressured to support the AGW claim... by RL 2015-11-26 11:50:20
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                    • “...chilling effect on the willingness of government scientists to conduct research ..." by ER 2015-11-26 14:33:26
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                  Wireless Bungee Jump by Jody November 24, 2015 12:37 pm
                  • Talk about jumping from heights. by johannes 2015-11-25 20:50:30
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                    • You haven't done that? Really?? by bowser 2015-11-24 21:30:45
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                      Slightly amazing! by bowser November 24, 2015 9:27 pm
                      • It would be amazing.... by FrankC 2015-11-24 22:46:07
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                        Dark matter laboratories may exist in our solar system by RL November 23, 2015 7:09 pm
                          Perhaps this should be on 'Flame' by RL November 15, 2015 6:43 pm
                          • Nice! by mcfly 2015-11-16 14:46:47
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                            • A view from the inside.... by RL 2015-11-16 15:54:09
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                              • That's another one I've never seen before by mcfly 2015-11-17 23:33:50
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                            • Awesome! by RobVG 2015-11-16 08:24:34
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                              Oh Look! Mars Climate Change! by SDAI-Tech November 5, 2015 11:27 am
                              • Mars climate by TB 2015-11-07 13:13:06
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                                • Its amazing... by RL 2015-11-05 14:18:40
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                                  • in 1971... by RL 2015-11-05 17:57:49
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                                    • And in 1995... by RL 2015-11-05 15:13:59
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                                      • No... by SDAI-Tech 2015-11-05 22:03:49
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                                        • Nothing supports your claims by RL 2015-11-06 16:24:52
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                                          • "nor does it have anything to do with rising global temperatures" by SDAI-Tech 2015-11-07 12:27:04
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                                            • Again... by RL 2015-11-07 13:10:01
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                                              • You keep saying nonsense... by RL 2015-11-07 12:45:41
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                                      • Inconvenient truth. by ER 2015-11-05 11:55:54
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                                        • Why? by SDAI-Tech 2015-11-05 21:52:57
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                                          • Has it been proven that the by johannes 2015-11-07 10:53:11
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                                            • May I suggest by RL 2015-11-07 11:53:43
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                                              • Thank you for the links, they are by johannes 2015-11-07 13:30:00
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                                                • Everyone wants to go to heaven, but no one wants to die by mcfly 2015-11-07 15:50:55
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                                                  • Interesting by johannes 2015-11-07 17:20:39
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                                                    • Well yeah, just take the classes in "Not Known" and "Presumed" by mcfly 2015-11-09 16:26:05
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                                                      • Fascinating by johannes 2015-11-11 12:42:56
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                                                        • Cool, you've got it all figured out by mcfly 2015-11-14 20:07:34
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                                                  • If you are unwilling, or unable to learn the basic principles, by RL 2015-11-07 13:46:36
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                                          Is this fake? by FrankC November 5, 2015 5:40 pm
                                          • Optics... by RL 2015-11-05 18:01:51
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                                            • I have never seen anything similar so as always I am cynical and suspicious by FrankC 2015-11-05 17:42:14
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                                              • It IS very creative, though by mcfly 2015-11-05 18:25:28
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                                              The October Country by ER November 5, 2015 12:55 pm
                                              • I often find myself wishing the deniers were right by mcfly 2015-11-05 16:17:38
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                                                • Interesting times. by ER 2015-11-05 16:53:04
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                                                • And now a word from another cat by Robert 2015-11-05 16:07:57
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                                                  • You're absolutely right, of course. My apologies. by ER 2015-11-05 16:22:40
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                                                    • Think nothing of it by Robert 2015-11-05 16:26:58
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                                                  • Apparently it only takes one cat to make a fight. by TB 2015-11-05 13:41:00
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