How to use in-sentence of “cutting edge”:
– Berkeley sees machinima as “a strangely hybrid form, looking forwards and backwards, cutting edge and conservative at the same time”.
– The cutting edge was made from chipped flint in the Mesolithic, polished stone in the Neolithic, and metal later on.
– This saw-like cutting edge runs the length of the upper jaw, and could have been driven into prey.
– Obsidian is used in heart surgery, as well-crafted obsidian blades have a cutting edge many times sharper than high-quality steel surgical scalpels, with the edge of the blade being only about 3nm wide.
– The cutting edge was on the inside part of the blade.

