At least 2 tornadoes kill 2 as storms sweep through northwest Indiana, leaving trail of damage

Suspected tornadoes left extensive damage in northwest Indiana Tuesday, where two people were killed.
Practical Engineering on MSN

The wind forces engineers missed that ended in catastrophic expenses

The Tacoma Narrows Bridge in Washington opened in 1940 as one of the longest suspension bridges in the world. Its sleek design used minimal structural material to reduce costs, but that also made the ...