Low thermal expansion glasses/ceramics can have coefficients of thermal expansion of 0 (+/- tolerance). For example, SCHOTT ZERODUR can be 0 +/- 0.02 * 10^-6 per degree C.
Or a spider in 8 seconds
It woofs sadly
I get a snack so I can continue thinking about dying
https://en.m.wikipedia.org/wiki/Goblet_cell
Blood brings water, sugars and proteins to the cells, the cells make mucus in the mucus membranes. The entire inside of your nose, throat and lungs produces mucus, with varying viscosity and quantity depending on location.
Atla is pretty long and if you didnt start watching it as a kid it could be pretty hard to get over the start of it. It starts off very slice-of-life-ish with some of the more mature themes sprinkled in between, and becomes much more dense later on. It's also a story about a bunch of kids (who grow and learn to cope or deal with their issues later on) which isnt the easiest to identify with unless you started watching it at a young age.
Antiwordle #1203
8 guesses
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They are used for cheap mirrors such as some parabolic makeup mirrors, cheap reflectors for looking around corners, etc. Polycarbonate and acrylic mirrors are available, but offer much worse optical properties. They cant be as easily polished so you will have to cast them into a mould. Their low stiffness means they are easily distorted. Thermal expansion significantly affects focusing and distortion of optical systems.