"I have approximate answers and possible beliefs and different degrees of certainty about different things, but I'm not absolutely sure of anything..." (Richard Feynman)
A network of porous carbon tubes that is three-dimensionally interwoven at nano and micro level -- this is the lightest material in the world. It weights only 0.2 milligrams per cubic centimetre, and is therefore 75 times lighter than Styrofoam, but it is very strong nevertheless. Scientists of Kiel...
I participated from July 10-13 in International Conference on Trends in Knowledge and Information Dynamics, which was organized by DRTC-ISI (Documentation, Research and Training Center, Indian Institute of Technology).