![Why doesn't ink instantly pour out the tip of the pen as soon as its turned upside down? : r/NoStupidQuestions Why doesn't ink instantly pour out the tip of the pen as soon as its turned upside down? : r/NoStupidQuestions](https://i.pinimg.com/736x/da/2e/7b/da2e7b16035b95b5fa90b1fdceb14ed0--ballpoint-pen-teaching-science.jpg)
Why doesn't ink instantly pour out the tip of the pen as soon as its turned upside down? : r/NoStupidQuestions
File:Cross section of the unopened fruiting body of the New Zealand basket fungus (Ileodictyon cibarium), next to a ballpoint pen..JPG - Wikimedia Commons
![Ballpoint Pens, CHAOQ 3 Pcs Stainless Steel Retractable Silver Metal Pen for Business Office Christmas, 1.0mm Medium Point Black Ink, with 6 Extra Refills : Amazon.co.uk: Stationery & Office Supplies Ballpoint Pens, CHAOQ 3 Pcs Stainless Steel Retractable Silver Metal Pen for Business Office Christmas, 1.0mm Medium Point Black Ink, with 6 Extra Refills : Amazon.co.uk: Stationery & Office Supplies](https://m.media-amazon.com/images/I/51EM7Niio+L._AC_SX522_.jpg)
Ballpoint Pens, CHAOQ 3 Pcs Stainless Steel Retractable Silver Metal Pen for Business Office Christmas, 1.0mm Medium Point Black Ink, with 6 Extra Refills : Amazon.co.uk: Stationery & Office Supplies
![CROSS Tech2 Refillable Retractable Plastic Ballpoint Pen with Stylus, Medium Ballpoint, includes Premium Gift Box and Black Cartridge, 1 Pack, Satin Black (AT0652-1) : Amazon.co.uk: Stationery & Office Supplies CROSS Tech2 Refillable Retractable Plastic Ballpoint Pen with Stylus, Medium Ballpoint, includes Premium Gift Box and Black Cartridge, 1 Pack, Satin Black (AT0652-1) : Amazon.co.uk: Stationery & Office Supplies](https://m.media-amazon.com/images/I/51QB+Z1h9OS._AC_SL1500_.jpg)