We were back at the European Synchrotron Radiation Facility in Grenoble, France last weekend. Melanie has a nice twitter thread about it

We are at @esrfsynchrotron this weekend to shoot some x-rays at lots of butterfly wings and learn more about scale structures pic.twitter.com/Q8PaAWmS9l

— Melanie Brien (@mnbrien) September 29, 2017