If subatomic particles could be seen with the naked eye, what colours would they be?
Michael Green, Seaview, Isle of Wight, UK
We pay 拢25 for every answer published in New 杏吧原创. To answer this question 鈥� or ask a new one 鈥� visit newscientist.com/lastword. Terms and conditions apply.
Advertisement
This article appeared in print under the headline 鈥淐hromatic quandary鈥�