Posts
When I urinate, why is it sometimes frothy and but usually not?
It doesn't seem to have any correlation with the concentration of the urine, as even really dark stuff is usually froth-free.
Making Infrared Cooling Paint From Grocery Store Items (w/Novel CaCO₃ Microsphere Synthesis)
A way to passively achieve cooling below ambient temperature, using non-toxic common chemicals. 40 minute video, but very informative.
View original on kbin.social