The Royal Institution posted this demonstration of an explosively unstable substance called nitrogen triiodide. I love the purple smoke it makes.
Nitrogen triiodide is so unstable that even something like a mosquito landing on it can set it off. Three iodine atoms cluster around one side of a nitrogen atom. Being crowded around one end causes something called bond strain as the atoms repel each other in a small space. The result is that the molecule is prone to falling apart, explosively.
Writing for The New York Times, Randall Monroe (creator of the xkcd comic) looks into the world’s worst smell. It turns out that there is no universal agreement, but a strong contender for the title is something called U.S. Government Standard Bathroom Malodor, “a substance that was designed to mimic the scent of military field […]
This is so amazing. Watch what happens when a blacksmithing anvil is lowered into a large vat of pure liquid mercury. Update: One of our readers posted the link to the original video in the comments. I have replaced the animated GIF. Thanks, Crispy75. [H/t Alberto Gaitán via Bryce Lynch] Image: Screengrab from GIF
As the summer surges forward, grilling and evenings in the backyard may be the only serious outdoor excursions many of us take this season. Yet even with all of our current problems, there’s one group who doesn’t care a bit about COVID-19 and will still look to make any trip you make outside into an […]
With all due respect to our vegetarian friends, there might be nothing more intrinsically linked to the 4th of July holiday than a big ole cookout. Sure, fireworks and celebrating the birth of a constitutional republic are great too, but showing off your cooking prowess with a brilliantly seared, mouth-watering slab of grade-A American beef […]
We’re at the midway point of 2020. So…how’s the year going for you so far? Yeah…we can guess. But while there’s a lot about 2020 we can’t directly control, maybe a little retail therapy can help make you feel better. Sure, the 39 items we gathered together can absolutely bring a smile to your face. […]