This will help you grok the weirdness of quantum physics

One picture to grok them all.

Tell me: do you see an old woman or a young woman in the picture below?

Source: My Wife and My Mother-in-Law, Wikipedia.

“My Wife and My Mother-in-Law” is a sketch created by British cartoonist William Ely Hill in 1915 and published in Puck magazine with the caption "They are both in this picture - Find them." In fact, the sketch contains both a young wom…