Find out why Galileo's beliefs in a heliocentric solar system threatened the Catholic Church and caused him to stand trial for heresy.

The race to construct the first underwater telegraph intensifies after pressure to connect the U.S. to other countries increases.

The Dymaxion House, invented by Buckminster Fuller, lead to the geodesic dome concept. See how it rocked the world of architecture.

Nuclear submarines are priceless military assets, owned and operated by only a handful of countries. Find out what it takes to operate one.