![]() ![]() ![]() What material can be made the sharpest? Since obsidian will fracture down to a single atom, it is claimed to have a cutting edge five hundred times sharper than the sharpest steel blade, and under a high magnification microscope an obsidian blade still appears smooth, whereas a steel blade has a saw like edge. It was manufactured by placing a narrow tungsten wire in an atmosphere of nitrogen and exposing it to a strong electric field in a device called a field ion microscope. The sharpest object ever made is a tungsten needle that tapers down to the thickness of a single atom. What is the sharpest razor blade? Razor Blade Sharpness Summary Description Microsurgeons use ‘chips’ of razor blades held in forceps to cut microscopic nerves and blood vessels. These are made by flaking a long, thin sliver from a core of obsidian (volcanic glass).Ī double edge razor blade is far sharper than a new box cutter blade. The thinnest blades are three nanometres wide at the edge – 10 times sharper than a razor blade. What is the world’s sharpest knife? Obsidian knife blades: overkill for slicing your sandwich. ![]() Obsidian older than a few million years is rare because the glassy rock is rapidly destroyed or altered by weathering, heat, or other processes. It is confined to areas of geologically recent volcanic activity. Occurrence of Obsidian Obsidian is found in many locations worldwide. Below are some things to consider when trying to figure out is obsidian sharper than a razor. ![]()
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