The Fisher Space Pen builds pens that can write anywhere on the planet and if that´s not enough you can take it to space and will continue to write
Anti-Gravity 7 (#AG7) that worked flawlessly in zero gravity aboard the first manned Apollo mission in 1968.
One of Paul Fisher’s first ideas was for the iconic Bullet Pen, named for its sleek rounded ends. This particular Space Pen is in The Museum of Modern Art’s permanent collection as a symbol of American industrial design.
it lasts longer and is much more reliable than standard ballpoint pens.