Small particles in a gas or liquid constantly (m)ove around randomly. Work on this "Brownian motion" led to the acceptance of atoms as physical reality
If prostitution were legalized, I bet some tech people would develop an app to facilitate it and describe it as a PaaS/DaaS: pussy (or dick) as a service (M)
I really wish that climate change, vaccines, mask wearing, etc. hadn't become politicized. Our near- and long-term future would be a lot more hopeful (M)