麻豆传媒

On an atomic level, how do Post-It notes stick to things?

Felix Barbour, London, UK

We pay 拢25 for every answer published in 麻豆传媒. To answer this question 鈥� or ask a new one 鈥� visit newscientist.com/lastword. Terms and conditions apply.

This article appeared in print under the headline 鈥淎tomic bonds鈥�