Amazon S3 on MSN

Building a Homemade Cardboard Elevator Tests Human Ingenuity

Gunman Who Killed 4 in NYC Office Building With NFL Headquarters Had CTE Are you related to UK royal family? These last names might be a clue U.S. citizen files claim for $50 million in damages after ...
GBH

How escalator safety mechanisms work — and why they cause machines to stop

President Trump called his escalator mishap at the United Nations "sabotage." The U.N. says the White House team triggered a ...