Competition Physics World  December 2017

A very LIGO Christmas

In this exclusive comic drawn by physicist Nutsinee Kijbunchoo, the LIGO Collaboration gets a surprise visit and an unexpected gravitational-wave signal. We invite you to fill in the blank speech bubble in the last frame. Send your ideas to by 12 January and we will publish our favourites in the New Year. Merry Christmas!

Nutsinee Kijbunchoo is studying for a PhD in physics from the Australian National University and is part of the LIGO Collaboration. She draws the webcomic Antimatter (