Archives for: "January 2016"

Can you get more than 50 degrees of C?

There are two glasses. Each contains cold tea (0 deg of C) and hot water (100 deg of C). Assume that the heat does not go outside system. Can you get more than 50 deg of C of tea? The only source to obtain heat is the hot water provided, but you can use… more »

Perovskite crystal with PCBM may revolutionize the efficiency and low cost of solar batteries

The paper indicates that this could be one of the innovative methods to fabricate solar cells with suitable and low cost processing.  The perovskite is the name of structure based upon finding the structure of CaTiO3 by Lev Perovski. This became famous… more »