How do rainbows form? And what is a rainbow anyway?
Posted 26/05/2017
Our first Explore Box, Hidden Rainbows, reveals secret colours in everyday items such as felt tip pens and ceiling lights. But how are rainbows...
Read more
Copyright © 2022
Letterbox Lab® is a registered trademark of Hatton Science Communication Limited, registered in England and Wales with company number 10259964. Letterbox Lab, Unit 8, Fernleigh Business Park, Blaby Road, Enderby, LE19 4AQ. Click here to view our policies, terms and conditions.