Question

Cutting Edge the forefront; the most advanced or important position, usually in science and technology

Accepted Answer

My brother works in nuclear physics. He's on the cutting edge of some pretty amazing discoveries. Scientific discoveries and technological advances throughout the 20th century have been incredible. Just as the cutting edge of a sharp knife makes contact before the rest of the knife when slicing through objects, a highly advanced discovery is said to be on the "cutting edge."

Idiom	Cutting Edge
Example	My brother works in nuclear physics. He's on the cutting edge of some pretty amazing discoveries.
Meaning	the forefront; the most advanced or important position, usually in science and technology
Origin	Scientific discoveries and technological advances throughout the 20th century have been incredible. Just as the cutting edge of a sharp knife makes contact before the rest of the knife when slicing through objects, a highly advanced discovery is said to be on the "cutting edge."

Cutting Edge Advanced Knife Brother Works Nuclear Physics