The Fisher Space Pen, developed by Paul Fisher in the 1960s, is famous for its ability to write in zero gravity, underwater, and extreme temperatures ranging from -34°C to +121°C. Using pressurized nitrogen gas technology, it is a staple for NASA astronauts. While standard versions cost a few thousand rupees, rare space-used editions have fetched millions in auctions. https://punjab.news18.com/news/ajab-gajab/this-is-the-world-most-expensive-pen-it-can-be-used-even-in-space-you-will-be-surprised-to-know-the-price-skm-970013.html #Creator program