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I have one, you have one. If...

I have one, you have one. If you remove the first letter, a bit remains. If you remove the second, bit still remains. After much trying, you might be able to remove the third one also, but it remains. It dies hard! What is it?

Correct answers: 40

The first user who solved this task is Djordje Timotijevic.

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April Fool's Day - Rig a ketchup bottle...

Rig a ketchup bottle to squirt string instead of ketchup.
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Donald B. Keck

Born 2 Jan 1941.American research physicist, who with his colleagues at Corning Glass, Dr. Robert Maurer and Dr. Peter Schultz, invented fused silica optical waveguide - optical fiber. This was a breakthrough creating a revolution in telecommunications, capable of carrying 65,000 times more information than conventional copper wire. In 1970, Maurer, Keck, and Schultz solved a problem that had previously stumped scientists around the world. They designed and produced the first optical fiber with optical losses low enough for wide use in telecommunications. The light loss was limited to 20 decibels per kilometer (at least one percent of the light entering a fiber remains after traveling one kilometer).

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