[Little Demos] 01 – Wine Glass Einstein Rings

Originally written for a friend in late 2016. Updated in 2020 to remove some inaccuracies and humble brags. Catpic used under (cat's) permission. Do you know that thanks to some convenient optics, we can demonstrate a "gravitational lens" could be demonstrated in my living room (without myself eating 1024 kg of food)? We will be … Continue reading [Little Demos] 01 – Wine Glass Einstein Rings