It’s impressive to see how much punch “Google Glass” packs in an elegant and light-weight construction.
I’ve long believed that the ability to create new materials is a good indicator of a country’s production and economic ability. Just look at what Britain, US and Germany did with materials during the industrial revolution and Japan and China in the last century. Right now, US scientists are trying to use the power of Big Data to sequence ‘the materials genome’. 1000 years back it was probably the Middle East, China and India who were acing the material sciences and were indeed economically prosperous.