On NASA's website, ISS Science Officer Don Pettit describes the "smell of space" -- long a staple of science fiction stories.
Each time, when I repressed the airlock, opened the hatch and welcomed two tired workers inside, a peculiar odor tickled my olfactory senses. At first I couldn't quite place it. It must have come from the air ducts that re-pressed the compartment. Then I noticed that this smell was on their suit, helmet, gloves, and tools. It was more pronounced on fabrics than on metal or plastic surfaces. It is hard to describe this smell; it is definitely not the olfactory equivalent to describing the palette sensations of some new food as "tastes like chicken." The best description I can come up with is metallic; a rather pleasant sweet metallic sensation. It reminded me of my college summers where I labored for many hours with an arc welding torch repairing heavy equipment for a small logging outfit. It reminded me of pleasant sweet smelling welding fumes. That is the smell of space.
The Department of Energy's Advanced Research Projects Agency-Energy [ARPA-E] was set up by bipartisan action in 2007, funded by Obama in 2009; expanded by Congress in 2009; and survived attempts by Trump to kill it in both 2017 and 2018.
Myrmecophiles are parasitic beetles that use chemical cues to fool ants into bringing them into their nests and regurgitating food into their mouths, diverting the colony's bounty of semi-digested ant-chow from the queen and her babies to their own hungry guts. Ant Lab shows us how a Xenodusa beetle can con Camponotus ants into a […]
Before I watched this video and you had asked me if dubnium was a real element or not, I would have had to guess.
Gone are the days when you needed to pore over a 400-page physics textbook to learn about weight ratios, aerodynamics, and all of those other STEM concepts that let us take to the skies. Thanks to Force Flyers’ DIY Building Block Drones, you can foster your STEM knowledge as you build and fly your own functional […]
As more companies leverage cloud technology to unite and streamline their operations, the need for capable IT pros increases. But, as any IT guru will tell you, demand alone won’t get your foot in the door to this lucrative field. If you want to cash in on the demand and build a thriving IT career, […]
iOS 12 is finally here, which means now is the best time for aspiring developers to throw their hats into the app development game. While app development can be tricky for some, you can take an intuitive, beginner-friendly approach to understanding app creation and Apple’s latest iOS platform with the iOS 12 & Xcode 10 Bootcamp, […]