Avi Loeb, a Harvard University astrophysicist, displays a small vial of material recovered from the floor of the Pacific Ocean. The material, Loeb says, includes fragments of a meteorite that he claims came from another star system—and perhaps even from an alien spacecraft. Credit: Anibal Martel/Anadolu Agency via Getty Images Topics: Astronomy, Astrophysics, Civilization, Cosmology,Continue reading “Science, or Spectacle…”
Monthly Archives: March 2024
PV Caveats…
Graphical abstract. Credit: Joule (2024). DOI: 10.1016/j.joule.2024.01.025 Topics: Applied Physics, Chemistry, Energy, Green Tech, Materials Science, Photovoltaics The energy transition is progressing, and photovoltaics (PV) is playing a key role in this. Enormous capacities are to be added over the next few decades. Experts expect several tens of terawatts by the middle of the century. That’s 10Continue reading “PV Caveats…”
Plastics and Infarctions…
Plastic chokes a canal in Chennai, India. Credit: R. Satish Babu/AFP via Getty Topics: Applied Physics, Biology, Chemistry, Environment, Medicine People who had tiny plastic particles lodged in a key blood vessel were more likely to experience heart attack, stroke or death during a three-year study. Plastics are just about everywhere — food packaging, tyres, clothes, waterContinue reading “Plastics and Infarctions…”
It’s On Us…
― Gaylord Nelson, former Republican Governor and Senator of Wisconsin, Founder of Earth Day, April 20, 1970, which led to the formation of the U.S. EPA, December 2, 1970. Image: Nelson Institute of Environmental Science, University of Wisconsin-Madison Topics: Civics, Civil Rights, Civilization, Climate Change, Democracy, Existentialism, Fascism Robert Mueller was the subject of Internet memesContinue reading “It’s On Us…”
Super Strength…
A sample of the new titanium lattice structure 3D printed in cube form. Credit: RMIT. New titanium lattice structure 3D printed in cube form. Credit: RMIT Topics: 3D Printing, Additive Manufacturing, Materials Science, Metamaterials A 3D printed ‘metamaterial’ boasting levels of strength for weight not normally seen in nature or manufacturing could change how weContinue reading “Super Strength…”
Physics and Nano 