Medical applications Laboratory tests showed how the 3D printed material molds and sticks to organs such as this porcine heart. (Courtesy: Casey Cass/CU Boulder) Topics: 3D Printing, Additive Manufacturing, Hydrogels, Polymer Science A new method for 3D printing, described in Science, makes inroads into hydrogel-based adhesives for use in medicine. 3D printers, which deposit individual layers ofContinue reading “Stick-to-itiveness…”
Author Archives: reginaldgoodwin
Reparations…
Amanda Montañez; Source: “Slaveholder Ancestry and Current Net Worth of Members of the United States Congress,” by Neil K. R. Sehgal and Ashwini R. Sehgal, in PLOS ONE. Published online August 21, 2024 Topics: Civics, Civil Rights, Civilization, Democracy, Education, History U.S. Senators and Representatives whose family had a history of enslaving others have greaterContinue reading “Reparations…”
The Secret Life of the Universe…
Topics: Astrobiology, Biology, Instrumentation, James Webb Space Telescope, Research, SETI “The Secret Life of the Universe” by Dr. Nathalie Cabrol, the SETI Institute’s chief scientist and Director of the Carl Sagan Center at the SETI Institute, is coming out this week, both in the US (August 13, 2024) and in the UK (August 15, 2024).Continue reading “The Secret Life of the Universe…”
Ripples in Spacetime…
Topics: Astrophysics, High Energy Physics, Particle Physics Each week Quanta Magazine explains one of the most important ideas driving modern research. This week, physics staff writer Charlie Wood explains why many researchers are looking to outer space for signs of “new physics.” Fundamental physics has a problem. Some researchers say the field faces a “nightmareContinue reading “Ripples in Spacetime…”
Tech Bros and Democracy…
Topics: Civics, Civil Rights, Civilization, Climate Change, Economics, Environment, Existentialism, Fascism Tech bros (n): someone, usually a man, who works in the digital technology industry, especially in the United States, and is sometimes thought to not have good social skills and to be too confident about their own ability. Source: Cambridge Dictionary “The Basic LawsContinue reading “Tech Bros and Democracy…”
Twist in Storage…
Power with a twist: Twisted ropes made from single-walled carbon nanotubes could store enough energy to power sensors within the human body while avoiding the chemical hazards associated with batteries. (Courtesy: Shigenori UTSUMI) Topics: Applied Physics, Battery, Carbon Nanotubes, Chemistry, Materials Science, Nanoengineering Mechanical watches and clockwork toys might seem like relics of a bygoneContinue reading “Twist in Storage…”
FHM…
Antiferromagnetically ordered particles are represented by red and blue spheres in this artist’s impression. The particles are in an array of optical traps. Credit: Chen Lei Topics: Applied Physics, Computer Science, Quantum Computer, Quantum Mechanics Experiments on the Fermi–Hubbard model can now be made much larger, more uniform, and more quantitative. A universal quantum computer—capableContinue reading “FHM…”
Ice, Snow, Water, Nada…
Figure 1. The Vadret da Tschierva glacier in 1935 (top) and in 2022 (bottom).Photos courtesy of swisstopo, L. Hösli, G. Carcanade, M. Huss, VAW-ETHZ. Topics: Civilization, Climate Change, Fluid Mechanics, Global Warming, Meteorology, Research Glaciers—dynamic masses of ice descending from the mountain tops—have always been fascinating to humankind. They intrinsically belong to the high-alpine environment.Continue reading “Ice, Snow, Water, Nada…”
Canceling V.I.P.E.R…
The completed VIPER rover awaits one of two fates: be sent to the Moon by an organization other than NASA or be cannibalized for its parts and instruments. Credit: NASA Topics: Astrobiology, Astronautics, Astrophysics, Chemistry, COVID-19, NASA, Space Exploration, Spectrographic Analysis “Boldly going” has budget constraints, but all is not lost. “Plan B” is atContinue reading “Canceling V.I.P.E.R…”
The Crucifixion of Thomas Paine…
Topics: Civics, Civil Rights, Civilization, Climate Change, Democracy, Existentialism, Fascism, Human Rights Excerpt from Facts, Fascism, and Fascists, Friday, January 24, 2020 Tens of millions of Americans, lumped into a diffuse and fractious movement known as the Christian right, have begun to dismantle the intellectual and scientific rigor of the Enlightenment. They are creating aContinue reading “The Crucifixion of Thomas Paine…”
Physics and Nano 