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Forum time: July 16, 2025, 11:48 pm

Tesla Fact vs. Fiction: Why the Public Perception is Wrong - DFM February 17, 2022, 8:01 pm James Webb Just Turned On Its Camera To Look At Its First Target - DFM February 9, 2022, 7:58 pm NASA offers $1 million prize for prototypes to grow space food - urnlfn February 7, 2022, 4:52 am NASA abandons opportunity to test space-based ISRU, recycling & re-manufacturing - urnlfn February 2, 2022, 5:15 pm It is too early to be bothered. It will be centuries before we have enough - DFM February 4, 2022, 11:50 am Regenerative medicine breakthrough - urnlfn January 27, 2022, 3:02 pm Good News for Amputees. - DFM January 29, 2022, 7:07 pm I think regenerative medicine will solve a panoply of diseases eventually - urnlfn January 29, 2022, 9:52 pm Clearly, you are right. The question is WHEN? - DFM January 30, 2022, 6:55 pm How did we measure the fastest speed there is? | The History of the Speed of Light - DFM January 27, 2022, 11:12 am The Amazing Shrinking Grand-K (metric weight standard) - DFM January 26, 2022, 7:07 am It's Done! James Webb Has Been Fully Deployed In Space - DFM January 12, 2022, 11:20 am First images in June - urnlfn January 25, 2022, 4:41 pm Entropy: Origin of the Second Law of Thermodynamics - DFM January 15, 2022, 9:01 pm Anti-aging vaccine shows promise in mice - urnlfn December 16, 2021, 8:35 am I have read the same thing for decades, yet not ONE single anti-aging drug is on the market yet. - DFM December 19, 2021, 7:05 pm An Anti-aging vaccine would be easier than going faster than the speed of light. - Ken C December 20, 2021, 10:36 pm Wrong: There IS ONE physical law preventing us from making it, the Second Law of Thermodynamics. - DFM January 12, 2022, 10:18 am Some animals can regrow their limbs. Brains can grow new cells and make new connections. - Ken C January 12, 2022, 12:54 pm DNA degrades with time. Unless it can be refreshed, the deterioration will eventually be fatal. - DFM January 13, 2022, 10:17 am Posts are now sorted by activity order. (Replying to old threads will bring them back to the top.) - Ken C (Admin) January 12, 2022, 12:56 pm The Biggest Misconception About Electrical Energy: It does NOT flow through wires. - DFM December 28, 2021, 1:23 pm Get rid of the wires - urnlfn December 30, 2021, 12:29 am You misunderstand completely. - DFM January 1, 2022, 4:25 pm There would be no resistive heating if the conductors did not carry electrical energy - urnlfn January 1, 2022, 5:30 pm You are mistaken. The conductor does NOT carry the energy. Resistive heating - DFM January 10, 2022, 8:38 am There is no sheath around the wire of a incandescent bulb filament - urnlfn January 10, 2022, 12:15 pm The sheath of ENERGY, not insulation. - DFM January 11, 2022, 1:37 pm "Current" of what? - urnlfn January 11, 2022, 2:48 pm Electric Current - DFM January 11, 2022, 4:37 pm Resistive heating is manifested in the wire - urnlfn January 11, 2022, 11:35 pm Resistive heating is manifested in the wire. Correct. But the energy does NOT - DFM January 12, 2022, 10:16 am Now I understand your argument - urnlfn January 12, 2022, 6:09 pm Vulcan | The Planet That Didn't Exist - DFM January 9, 2022, 9:27 am Deer... with fangs - urnlfn January 2, 2022, 8:09 pm No horns? Fangs developed for the same purpose. - DFM January 8, 2022, 3:56 pm 3% of Greenland residents have rare genetic mutation that makes sugary food as healthy as broccoli - urnlfn December 31, 2021, 12:15 am Natural History Museum in UK identifies more than 500 new species in 2021 - urnlfn December 29, 2021, 10:33 pm OneZoom Tree of Life Explorer - urnlfn December 30, 2021, 3:15 pm Thanks for the link. - DFM January 8, 2022, 4:00 pm LIVE! James Webb Telescope Tracker - DFM December 26, 2021, 3:23 am This one works - urnlfn December 30, 2021, 12:55 pm Already, a solar panel malfunctioned and six motors overheated - Luckily the problems were corrected - urnlfn January 4, 2022, 2:56 am Today's APOD (December 22, 2021) - urnlfn December 22, 2021, 3:02 pm Secrets of the Cosmic Microwave Background - urnlfn December 22, 2021, 8:15 am What Happens At The Edge Of The Universe? - DFM December 15, 2021, 10:09 pm Antikythera Mechanism: The 2,000-Year-Old Computer - DFM December 11, 2021, 11:39 pm Abacus - The 4,700-Year-Old Computer - urnlfn December 12, 2021, 11:54 am I'll never look at those "probiotic" items in grocery stores the same way again - urnlfn December 8, 2021, 9:38 pm Possible origin of the mythical "Jackalope" creature - urnlfn December 8, 2021, 3:57 pm James Webb Space Telescope readied for launch - urnlfn December 7, 2021, 9:51 pm I fear for the fate of the mission, but I HOPE that it succeeds. - DFM December 11, 2021, 11:41 pm No service mission is possible given current mission plan because - DFM December 7, 2021, 11:52 pm It's already failed, really. - urnlfn December 8, 2021, 11:57 am I'd think about not launching it - urnlfn December 8, 2021, 12:25 pm My solution - urnlfn December 12, 2021, 6:47 pm Not enough mass capacity to get it back from L2 into Low Earth Orbit. - DFM December 14, 2021, 12:55 am Better that than throwing away 15 years of work and $10 Billion in funding - urnlfn December 14, 2021, 6:06 am It is far too late to change any part of the mission. - DFM December 14, 2021, 6:42 pm What a waste - urnlfn December 15, 2021, 12:51 pm NASA tracks 27,000 pieces of debris orbiting Earth bigger than a softball - urnlfn December 7, 2021, 9:26 pm Possible solutions - urnlfn December 7, 2021, 10:03 pm Are humans at the top of the food chain? - urnlfn December 7, 2021, 7:14 pm There is NO FOOD CHAIN; there is a FOOD WEB and it has many circles. - DFM December 7, 2021, 9:11 pm List(s) of unsolved problems - urnlfn December 5, 2021, 10:12 am MOST Powerful Explosion In the Universe Recently Discovered - DFM December 4, 2021, 11:00 pm Dark matter debunked? General relativity explains galaxy rotation curves without dark matter. - urnlfn December 4, 2021, 9:56 pm I have always been suspicious of "Dark Matter" and MORE suspicious of "Dark Energy" - DFM December 4, 2021, 11:01 pm Newtonian gravity models can't explain the precession of orbits - urnlfn December 5, 2021, 7:46 am Correction - typo - urnlfn December 5, 2021, 7:49 am Symmetries & Conservation Laws: A (Physics) Love Story - DFM December 4, 2021, 9:22 pm How Imaginary Numbers Were Invented - DFM December 4, 2021, 7:11 pm

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