# Science bits

The Smallest Drugs Here is the updated version of the "smallest drugs" collection that I did the other day. Here are the criteria I used: the molecular weight cutoff was set, arbitrarily, at aspirin's 180. I excluded the inhaled anaesthetics, only allowing things that are oils or solids in their form of use. As a small-molecule organic chemist, I only allowed organic compounds - lithium and so on are for another category

Standard Model - Wikipedia, the free encyclopedia

Derivative of exponential function. For more solutions to calculus problems log…

And this toy now works on iPhone, Android - touch kaleidescope http://web.ift.uib.no/AMOS/ntp/

once more ....

Light–matter interaction Low-energy phenomena: Photoelectric effect Mid-energy phenomena: Compton scattering High-energy phenomena: Pair production v d e

Photoelectric effect in wikipedia http://en.wikipedia.org/wiki/Photoelectric_effect