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.

The first radio signals beamed across America In the early 20th century. See how this cultural revolution began.