Tagged Questions
32
votes
2answers
799 views
What is the meaning of the third derivative printed on this T-shirt?
Don't be a $\frac{d^3x}{dt^3}$
What does it all mean?
6
votes
2answers
9k views
How much force is in a keystroke? (estimated, of course)?
I'm a software developer, and I need to calculate the estimated amount of force expended typing stored text. Preferrably in some interesting way. (i.e. the force exerted on keys thus far is enough to ...