I know the spring constant for my mattress. Wanna take some data?
If I were a Shwann cell, I'd squeeze around your axon and give you a fast action potential.
Does your skin feel burnt? Because I think you must have just fallen down from heaven, and re-entry would have caused some problems for you.
Your lab bench, or mine?
If you were a concentration gradient I'd go down on you.
My bond length might be short, but it can still give you some "electron density".
Are you the sun? Because my world revolves around you.
You're so hot that you would make a nuclear reactor melt down.
Your eyes have a perfect wavelength of 563.4 nm.