People paid to worry about bad stuff happening concluded long ago that one way to destroy the USA as a functioning state would be to explode a high altitude nuclear weapon above the country; the resulting electromagnetic pulse (EMP) would … Continued
There is a great need for infrastructure investment in both developed and developing countries. The former need both refurbishment of old assets and additional capacity. The latter need lots of new capacity, mainly arising from rapid urbanisation. There is also … Continued