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

Military technologies have always been at the forefront of scientific progress. They are associated with a large number of important discoveries, while many of the developments subsequently become the ...

The 21st-century civilization has faced dramatic challenges related to the ecology and welfare of every single person. Outstanding scientists and gifted engineers are busy solving actual problems, ...