Vortices of Light and Matter Waves

One of our long time members, Robert, have found this event and shared it with us. Here's the link to that Meetup event:

https://www.meetup.com/pswscience/events/272947245/?rv=me1&_xtd=gatlbWFpbF9jbGlja9oAJDI2MmI3YmZiLWM3OWUtNDEwYi05ZTljLWI3NzM4ZGY1ZDE4Yw