darthgently Posted January 28 Share Posted January 28 These are such great math animations but this one is particularly good Quote Link to comment Share on other sites More sharing options...
darthgently Posted January 28 Share Posted January 28 Boom Aero did it! About an hour and a minute into the second vid Quote Link to comment Share on other sites More sharing options...
darthgently Posted January 28 Share Posted January 28 (edited) Out climbed, with gear down, a T-38 with gear up! Near vertical if I heard right. The T-38 is a trainer and has a climb rate of 33,600 feet/minute. Definitely on the low end compared to most active fighter jets but no slouch at all compared to civil aircraft Edited January 28 by darthgently Quote Link to comment Share on other sites More sharing options...
AckSed Posted January 30 Share Posted January 30 Io continues to show off its volcanic activity, with a large eruption near its south pole that was picked up by Juno's JIRAM infrared imager: https://www.universetoday.com/170655/juno-sees-a-massive-hotspot-of-volcanic-activity-on-io/ Quote Link to comment Share on other sites More sharing options...
AckSed Posted January 31 Share Posted January 31 Nuclear-thermal fans, we're taking a step closer: https://www.ga.com/ga-successfully-tests-nuclear-thermal-propulsion-reactor-fuel-at-nasa-marshall-space-flight-center tl;dr Successfully tested hydrogen flowing over fuel pellets at operational temperatures of 2600K (2327 deg. C) at NASA's CFEET facility, with non-hydrogen propellant tested at 3000K. Quote Link to comment Share on other sites More sharing options...
JoeSchmuckatelli Posted Saturday at 12:00 AM Author Share Posted Saturday at 12:00 AM It's not often you see the word "ghost" in a respected science journal - especially when by 'ghost' they are literally talking about some sort of spectral apparition. So when I saw the word on the Science AAS site, I was intrigued. Sadly, pay walled for me. Thankfully, they're not the only ones reporting. Read on about seismology, railroads and ghosts: https://mashable.com/article/earthquake-railroad-ghost-story Quote Link to comment Share on other sites More sharing options...
darthgently Posted Saturday at 12:11 AM Share Posted Saturday at 12:11 AM 10 minutes ago, JoeSchmuckatelli said: It's not often you see the word "ghost" in a respected science journal - especially when by 'ghost' they are literally talking about some sort of spectral apparition. So when I saw the word on the Science AAS site, I was intrigued. Sadly, pay walled for me. Thankfully, they're not the only ones reporting. Read on about seismology, railroads and ghosts: https://mashable.com/article/earthquake-railroad-ghost-story St. Elmo’s fire, ball lightning? Are these more common around earthquakes? Quote Link to comment Share on other sites More sharing options...
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