David Schultz in ScienceShhot: Spider silk dethroned as nature’s toughest fiber: Spider silk is famous for its amazing toughness, and until recently a tensile strength of 1.3 gigapascals (GPa) was enough to earn it the title of strongest natural material. … Continue reading
One more theoretical prediction about a supermolecule with 20 selenium atoms and 60 carbon atoms whose architecture resembles that of a volleyball (arXiv link to the paper): The simulation gives a remarkably detailed picture of the properties of the new … Continue reading
We talked a little about nerdy cartoons in my class this morning. The topic came up in the context of a couple of quotes: George Box: “Essentially, all models are wrong, but some are useful.” [This quote came up naturally … Continue reading
Awesome video from Howard Hughes Medical Institute: * * * This video presents a somewhat more elaborate introduction to the early history of microscopy.
If you know something about Moiré fringes (in materials, we encounter them primarily in transmission electron microscopy; see also the Wikipedia entry on Moiré patterns), you will appreciate Andrea Minini’s Animals in Moiré, a collection of black and white illustrations.