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6
votes
2answers
135 views
What are the limitations of performing music in space?
Canadian astronaut Chris Hadfield's song Space Oddity is making news around the world today. It makes me wonder: What are the limitations of performing music in space? Clearly, there is no point to ...
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 ...
1
vote
1answer
103 views
Current Physical Applications of Elastic Fractals
Are there any known uses of modeling with elastic fractals in current physical applications? (Especially uses concerning with self-similarity)
