I watched the 747 take off this morning and could not get past the thought that we have no space program anymore. I remember watching the first 7 astronauts take off when I was in primary school. They were heroes and the US was striving for excellence with no limits. I think we will regret...
There are a lot of things that can go wrong with the 140,695 miles of railroad covering America. The tracks have to be inspected regularly and, rather than send crews out in full-sized train cars, these modified automobiles often did the job. More »