The Soviet Union had a program to train dolphins as military assets — kamikaze dolphins armed with explosives.

The camera allowed images to be captured and preserved.

Fact #1556 · Technology

The refrigerator allowed long-term food storage.

Fact #1563 · Technology

Amazon ships approximately 1.6 million packages per day.

Fact #3946 · Technology

The invention of insulin pumps improved diabetes management.

Fact #1225 · Technology

The first programmable digital computer was Z3, built by German engineer Konrad Zuse in 1941.

Fact #4395 · Technology

Airplane black boxes are painted bright orange for visibility.

Fact #2753 · Technology

Service dogs are trained to assist individuals with disabilities.

Fact #1358 · Technology

Steel was a rare luxury material in the ancient world — mass production became possible only in the 19th century.

Fact #4385 · Technology