Metal alloys crack and fail through a mechanism called "fatigue" when repeatedly loaded and strained. While it is well known how to design alloys to withstand static loads and pressures, it is very ...
Moral issues greet us each morning in the newspaper, confront us in the memos on our desks, nag us from our children's soccer fields, and bid us good night on the evening news. We are bombarded daily ...
In 490 BC, the Persian Army landed on the plain of Marathon, 25 miles from Athens. The Athenians sent a messenger named Feidipides to Sparta to ask for help. He ran the 150 miles in two days. The ...