There’s a video going around social media of a box of nails getting sorted by shaking. I was sceptical about whether this was a real video, or reversed, so as a good scientist, I decided to recreate the experiment for myself! Here are the results:
What do you think? Do you believe it? Have you also tried it at home? Let me know in the comments below!
Thanks to Irene for the collaboration in getting the equipment and testing out this hypothesis.
Dr Clara Nellist 