https://www.facebook.com/groups/actividadsolar/ For years I have been using Solar Dynamics Observatory AIA and HMI images and movies to look at the sun. Recently I found that solar observers were mostly using H alpha images where those black lines show up. In the AIA 171 Angstrom movies they are clear and much more detailed. And I wonder
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“Beyond femtometer” precision thinking, for systems and society. @StephaneRedon I know you invested time and money into “1 Angstrom” but please start thinking and tracking “picoMeter” and “femtoMeter”. Both will expand considerably in the next year or two. I encouraged the semiconductor groups to work seriously on picometer, because the rate of change in all
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https://www.youtube.com/watch?v=ykVON3Ojz1U Naachtun: the Forgotten Mayan City | FULL DOCUMENTARY Comment: Recording and mapping, not taking things or disturbing. If you had lot of memory, cell phones with GPS, precision compass and lidar could stitch together what the humans see. And keep it in a measured 3D and time framework. No matter the trees, or paths
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https://x.com/AloneHemant/status/1852757181927698686/photo/1 Assemble kilograms or metric tons of materials with bond energies averaging 10 KeV not 10 eV. There are many such stable materials with active containment. Asking for new fuels and materials to act like old ones is limiting the search for useful things. It just has to be reliable, practical, and useful. It does
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https://www.facebook.com/reel/699390982355776 My Comment: What human cultures will survive too easily homogenized global society, solar system exploration and development? In the United States, and probably in many places, perhaps a lot of people do not know how to use, or the advantages of tatami. I can appreciate your skill and dedication. But in a world with
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