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Hackaday Hyperlinks: August 1, 2021


Beginner radio operators have a saying: When all else fails, there’s ham radio. And that’s true, no less than to an extent — knock out the ability, tear down the telephone strains, and expend all of the satellites in orbit, and there’ll nonetheless be hams speaking about politics on 40 meters. The purpose is, so long as the legal guidelines of physics don’t change, hams will determine a approach to ship and obtain messages. In honor of that truth, the police within the metropolis of Pune in Maharashtra, India, make it a degree to exchange messages with their headquarter using Morse code as soon as per week. The concept is to keep up a backup system, in case they will’t get a message via another approach. It’s a good suggestion, particularly since they rotate all their radio operators via the Sunday morning ritual. We will’t think about that almost all emergency providers dispatchers can be thrilled about studying Morse, although.

Simply since you’re a billionaire with an area firm doesn’t imply you’re an astronaut. At the least that’s the view of the US Federal Aviation Administration, which issued pointers just about whereas Jeff Bezos and his merry band of cohorts have been floating about above the 100-km excessive Kármán line in a Blue Origin “New Shepard” rocket. The FAA pointers make it clear that these making the journey must have really accomplished one thing to qualify as an astronaut, by “demonstrated actions throughout flight that have been important to public security, or contributed to human area flight security.” That’s excellent news to the “Old Shepard”, who clearly was in command of “Freedom 7” through the Mercury program. However the Bezos brothers, teenager Oliver Daemen, and Wally Funk, one of many “Mercury 13” group of ladies who skilled to be NASA astronauts however by no means bought to fly, have been actually simply alongside for the experience, as the complete flight was automated. It doesn’t take away from the truth that they’ve been to area and also you haven’t, after all, however they will’t formally name themselves astronauts. This goes to indicate that even billionaires can simply be ballast too.

Excellent news, everybody — for those who had something that was being transported aboard the Ever Given, your stuff is nearly there. The Suez Canal-occluding container ship finally made it to its original destination in Rotterdam, roughly 4 months later than initially predicted.  After plugging up the important waterway for six days final March, the ship alongside together with her cargo and her crew have been detained in Egypt’s Nice Bitter Lake, maybe the good sounding physique of water on the earth subsequent to the Useless Sea. Authorized squabbling ensued at that time, all of the whereas rendering no matter was within the 20,000-odd containers aboard the ship just about pointless. We’d think about that even with steady energy, no matter was within the refrigerated containers have to be fairly nasty by now, so there’s in all probability loads of logistics and clean-up left to type out.

I’ve to confess that I’ve a bizarre love of explosive bolts. I don’t know what it’s, however the concept of fasteners engineered to fail in a predictable approach underneath the affect of pyrotechnic expenses simply tickles one thing in me. I imply, I even wrote a whole article on the subject as soon as. So after I got here throughout this video explaining how the Space Shuttles were held to the launch pad, I actually needed to watch it. Surprisingly, probably the most attention-grabbing a part of this story was not the explosive facet, however the engineering downside of supporting the huge car on the launch pad. For as swish because the Shuttles appeared as soon as they bought into orbit, they actually have been ungainly beasts, particularly strapped to the exterior gas tank and booster. The size of the eight frangible nuts used to safe the boosters to the pad is simply jaw-dropping. We additionally appreciated the concept NASA determined to catch the particles from the explosions in a container full of sand.


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