You can buy today buy ink pens can write upside down, in water, in a 200-degree heat;
on all possible evidence and it has a lifetime warranty.
It is the result of a multi-million pound bet made by NASA several years ago for use in their space program.
The Russians used an entirely different technology in its space program. They used pencils.
on all possible evidence and it has a lifetime warranty.
It is the result of a multi-million pound bet made by NASA several years ago for use in their space program.
The Russians used an entirely different technology in its space program. They used pencils.
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