The 21st century has brought us some of the most mind-boggling innovations, many of which were once imagined only in science fiction. From flying cars and virtual assistants to artificial intelligence ...

The 21st-century civilization has faced dramatic challenges related to the ecology and welfare of every single person.

Inventions by African Americans into the 21st century include everything from toys to physics to aerospace technology. John King John King worked with the aerospace and safety industries.

Capsule endoscopy was first used to treat patients in 2001. For this treatment, the patient swallows a tiny, wireless camera the size of a typical pill. This method gives doctors ...

The 19th-Century Technology That Threatens A.I. Dec. 28, 2024. ... This is where the government can step in, with a clear declaration of intent to meet the demands of the 21st century.