1.Why are shells in atoms named as K,L,m etc. instead of A,B,C? 2.And why are there atoms that don't fill the number of electrons given by 2n^2 in the shells, don't they have to overpass the max the go into the next shell?
A device developed by Michael Bernitsas, a professor in the Department of Naval Architecture and Marine Engineering, can harness energy from slow moving ocean and river currents. The machine is called VIVACE. It could open the door to a new, reliable and affordable alternative energy source. http://www.engin.umich.edu/newscenter/feature/vivace/