space program (for more, see How the Space Race Worked). In these space station concepts, people lived and worked in outer space. Most of the stations were wheel-like structures that rotated to provide artificial gravity. Like any port, ships traveled to and from the station. The ships ...
to the engine. The twin-screw supercharger has, as you might have guessed, two rotors that are wound together like two screws instead of gears. The screws compress air when they rotate. A centrifugal supercharger looks kind of like a snail shell, with an impeller wheel that compresses the...
Hallmark:We are four friends who are into improvisation. We’re going to record our main story, but with a few alternative endings, every week. We’ll take suggestions from our listeners and record three of them, including them in the main episode. We’ll include chapters so listeners can ...
In a hologram, the two intersecting light wave fronts form a pattern of hyperboloids — three-dimensional shapes that look like hyperbolas rotated around one or more focal points. You can read more about hyperboloidal shapes at Wolfram MathWorld. The holographic plate, resting where the two wav...
Artwork: How pulleys work#1: With one wheel, a pulley simply reverses the direction of the force you apply. It doesn't alter the force in any other way. Two wheels Now if you add more wheels, and loop the rope around them, you can reduce the effort you need to lift the weight. Su...
Other stuff: Add static error pages generator to NGINX snippets directory Reports: blkcipher.info Many of these recipes have been applied to the configuration of my private website. An example configuration is in configuration examples chapter. It's also based on this version of printable high-...
How to get executive buy-in for immersive learning Derek Belch: One of my favorite pieces of data you’ve shared with us is how companies spend their money in the L&D space. Budget wise, and to sell this internally, how can L&D leaders engage other parts of the organization? Josh Ber...
to turn electricitygeneratorsat incredibly high speeds, so they rotatemuchfaster than either wind or water turbines. (A typical power plant steam turbine rotates at 1800–3600 rpm—about 100–200 times faster than the blades spin on a typical wind turbine, which needs to use agearboxto drive ...
One of the outcomes of the various Taqelah meetups was that many software companies got to share their testing and quality culture with the community. It was absolutely fantastic to see the amazing stuff companies are doing to test their software, and ensure quality of their products and ...
“Now we need to do a workshop to find out why this is happening. The AI could point to specific stuff like a language barrier or culture barrier, or a time issue like a holiday. Instead of taking a week to ideate, it could become a step in the process the same day.” In ...