idea 3 Stage Model of Large Scale High Impact Change How can one bring a high impact, large scale, and novel change to society? When bringing something new to the mass market (new type of product, method/tool to solve
physics Laser: why population inversion is impossible in 2-state gain medium I reviewed some basic laser physics from a class. Laser requires a gain medium with state > 2. Here's a quick analysis behind why. Following Einstein's conventions, 3 things can
