Day: 19 April 2012
-
One Hundred And Sixty
Dan reminisces about old mobile phones, text messages, and those 160-character limits we learned to work around. Twitter could learn from this...
-
If I put a pair of telescopes in parallel, will the effect be multiplicative or additive?
Suppose I have a pair of 15x zoom telescopes (for example, I separated a pair of 15x zoom binoculars) and laid them end-to-end. Naturally there'd be some loss of field-of-vision when looking through them both. But would the resulting zoom level be 152 (i.e. 225x)? Or 15*2 (i.e. 30x)? Or something else entirely? Or …