User fffred - Puzzling Meta Stack Exchange

fffred

Member for 7 years, 8 months
Last seen more than 6 years ago

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SF

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About

Researcher in laser-plasma physics.

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7

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Yearling

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Mar 27

3

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Critic

Apr 13, 2016
Supporter

Apr 4, 2016
Autobiographer

Apr 1, 2016

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Top network posts

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109

What does antimatter look like?

32

Disable OS X startup sound

30

A calculation error made a rebus

28

I want to know his secret. Badly

20

Ideas on puzzles for a scientific event