Assistant Professor Chao-Lin Kuo surprises Professor Andrei Linde with evidence that supports cosmic inflation theory. The discovery, made by Kuo and his colleagues at the experiment, represents the first images of gravitational waves, or
It's a common misconception that people were strait-laced 100 years ago. Almost as soon as cameras were invented, people started taking nude photos like this and selling them as postcards (discreetly, of course). Many showed penetrative intercourse as well, and "non-standard" sexual practices like lesbianism. You certainly wouldn't want to accidentally post any of them to your mum.