Champagne corks can fly at 50 mph.

German scientist logs Champagne cork speed - Decanter

Why It Can't Be Champagne Without The Bubbles

Champagne bottles should have SCREW caps to avoid risk of eye injuries, doctors say: Corks can fly out at 50mph and blind people

Doctor warns about the dangers of flying corks this christmas

Doctors call for champagne bottles to be 'screw top' amid 50mph cork injuries - including blindness - Wales Online

When Popping Champagne at New Years', Watch Out for That Cork

How To Pop a Champagne Cork Without Harming Your Eye - American Academy of Ophthalmology

Opening Champagne for Christmas? Here's the University of Cambridge-certified advice on popping the cork safely

Don't Let an Eye Injury Ruin Your Valentine's Day