The present and future of knowledge attainment and essential business skills.
The microprocessor is a miracle.
Really advanced civilization is based on advances in energy.
Software was the key element that would determine how useable and how broadly applicable the machine was.
People cannot become truly knowledgeable without being excellent readers.
Energy is actually harder; it takes more time to get a product, but if you do it's a very, very big market and the constraints of doing that in a clean way are more obvious all the time.