Ukraine’s billion-dollar dodge-the-draft business is booming. The going price for a bone spur diagnosis is in the $10-$15K range.
On the war jacket, a couple of Kinzhal (Dagger) hypersonic missiles just zipped by and broke the sound barrier over Kyiv1. As of this writing, missile debris has reportedly fallen in Kyiv’s Solomiansky, Holosiivsky and Shevchenkivsky districts, according to Kyiv Mayor Vitalii Klitschko.
In five days, Z will join Uncle Joe in Ramstein, Germany to chair the Ukraine Defense Contact Group and discuss Ukraine’s Victory Plan, which we still no little about. The president has dispatched Chief of the General Staff of the Armed Forces of Ukraine Anatoly Barhylevych and Deputy Prime Minister Olha Stefanishyna to Washington, DC to prepare for the meeting, which will be attended by leaders of Germany, France and the UK.
In other news, Sean Carroll and Venkatraman (Venki) Ramakrishnan had an interesting conversation about ribosomes and dying. It’s understandable that we want to extend our lifespans, but these scientists say they are finite.
In fluid dynamics, a Mach wave, also known as a weak discontinuity is a pressure wave traveling with the speed of sound caused by a slight change of pressure added to a compressible flow. These weak waves can combine in supersonic flow to become a shock wave if sufficient Mach waves are present at any location.