The gravity-bending story of Nasa's ingenious space pen

50 years after it made its first flight, the Space Pen is still helping astronauts write in zero gravity

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NASA uses the Space Pen to write upside down, underwater

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The gravity-bending story of Nasa's ingenious space pen

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black holes Write Science

The first simulated image of a black hole, calculated with an IBM 7040 computer using 1960 punch cards and hand-plotted by French astrophysicist Jean-Pierre Luminet in 1978 : r/spaceporn

Classic Fisher Space Pens have been going into space since before the first Moon landing. The cartridges of conventional ball point pens are open to permit ink to be fed to the point. The secret behind the Fisher Space Pen lies in the unique design characteristics of the ink and the high precision manufacturing tolerances of the ball point and socket. The ink is fed to the ball point by gas pressure permitting the pen to write in any position.

Fisher Space Pen Zero Gravity Matte Black

Fisher Space Pen Review

Can someone who knows what they're talking about add some context to these quotes? : r/flatearth

Description The Fisher zero gravity pen writes upside down and underwater, and over grease and fingerprints. This state-of-the-art pen has a black

Fisher Zero-Gravity Pen