Following Miles O'Brien's Twitter reminded me that today is the anniversary of the destruction of the Challenger space shuttle, which blew up shortly after liftoff on January 28, 1986. You can read O'Brien's memories of covering the aftermath as a young reporter in Florida.
Me, I was 4 when this happened. My memories aren't so interesting. What really sticks out for me is finding out, years later, about the mechanical malfunctions that caused the explosion, the bureaucratic mismanagement that lead known to malfunctions being ignored—and the good, honest people at NASA and contractor Morton Thiokol who tried to make their bosses fix the problem and, after the disaster happened, brought their stories to the public.
This clip from National Geographic's documentary "Challenger: The Untold Story" introduces Robert Boisjoly, an engineer at Morton Thiokol who spotted problems with the space shuttle's O-Rings in 1985, tried to stop the fatal Challenger launch and later testified before the presidential committee. His efforts earned him a Prize for Scientific Freedom and Responsibility from the American Association for the Advancement of Science.
The amazing suckers on octopus arms aren’t just for sucking. They also are used to smell and taste. To deal with all that sensory input, the vast majority of an octopus’s brain cells are in its eight arms! “It’s more efficient to put the nervous cells in the arm,” neurobiologist Binyamin Hochner, of the Hebrew […]
Cold welding is the phenomenon of two pieces of metal fusing on contact. It’s a big problem in space, but it can even happen on earth at room temperatures with the right metal, as Cody demonstrates.
Magdalena Cerdá and Garen Wintemute are epidemiological researchers with US Davis’s Violence Prevention Research Program; when they witnessed the Trump administration’s mass-deletion of publicly funded EPA research, they feared gun violence stats would be next.
Python is immensely popular in the data science world for the same reason it is in most other areas of computing—it has highly readable syntax and is suitable for anything from short scripts to massive web services. One of its most exciting, newest applications, however, is in machine learning. You can dive into this booming […]
Learning new skills is a great way to improve your resume and stand out from other candidates. Especially in a workforce in which many job-seekers have a wide variety of qualifications. With lifetime access to Virtual Training Company, you won’t have to choose a specific focus. You can pick up new expertise whenever you deem it […]
Instead of throwing out all the empties after your next party, why not transform them into some new DIY glassware? Cut back on waste and add some home ambiance with the Kinkajou Bottle Cutter and Candle Making Kit.The Kinkajou is designed as a clamp-on scoring blade to make precise cuts. Just slide a bottle in, tighten […]