Ticket punch Ticket punch A ticket punch (or control nippers) is a hand tool for permanently marking admission tickets and similar items of paper or card stock. It makes a perforation and a corresponding chad. A ticket punch resembles a hole punch, differing in that the ticket punch has a longer jaw (or "reach") and the option of having a distinctive die shape. A ticket punch resembles a needle punch in that it makes a distinctive pattern in the item punched, but differs in that it makes a chad. Ticket punches are widely used to mark railway passenger tickets, particularly if it
Fallstreak hole places. Because of their rarity and unusual appearance, fallstreak holes have been mistaken for or attributed to unidentified flying objects. Fallstreak hole A fallstreak hole (also known as a cavum, hole punch cloud, punch hole cloud, skypunch, cloud canal or cloud hole) is a large gap, usually circular or elliptical, that can appear in cirrocumulus or altocumulus clouds. Such holes are formed when the water temperature in the clouds is below freezing but the water, in a supercooled state, has not frozen yet due to the lack of ice nucleation. When ice crystals do form, a domino effect is set