alright listen chemistry has been teaching me some really cool shit this semester and i just need a moment to dedicate to making this nerd post because i am so enthusiastic about this alright
first of all i never knew that learning about gases would actually be interesting but here we go
i was reading my textbook today and in the section about densities of gases, it was talking about how some fire extinguishers contain CO2 because it’s denser than the composition gases in the air, so it sinks onto the fire and stops O2 from reaching the fuel
it also talked about how volcanic lakes release CO2 naturally and paleontologists speculate that its release blanketing the lower atmosphere (i.e. pushing away our breathable air) contributed to the dying-off of dinosaurs
THIS SHIT IS SO FASCINATING OK
HOW DOES POPCORN EVEN DO THAT THING
HERE I SHOW YOU THE THING
this is the most majestic thing i have ever seen in my entire life
it’s like a ballet
the way this happens is actually super interesting! popcorn kernels contain water within their shells, so when you heat them up, the water within the kernel boils and changes states, becoming water vapor. continuing to heat the kernel(s) leads to a build up of pressure that eventually causes the kernel to burst open. the soft part of the popcorn is the starch expanding and solidifying from a gel-like state. gaseous properties, guys, they’re super fun.
how the fuck does Tylenol know where the pain is and how to stop it like why doesn’t it occasionally fuck up and just numb ur whole leg like wtf
well, in simple terms, tylenol is a type of drug that blocks pain signals from reaching your nervous system (brain and spinal cord), and it doesn’t actually work at the site of injury. so it only affects your sensation where pain is involved.