Saint Sophia's Cathedral in Kyiv holds a group portrait painted around 1045–1046 of Yaroslav the Wise’s family members, including Anne of Kiev, the Kievan Rus princess, who later became Queen of France upon marrying King Henry I in 1051.

“It will reward enough for me if, by the publication of the present experiment, I have directed the attention of investigators to this subject, which still promises much for physical optics and appears to open a new field.”
– Joseph von Fraunhofer, on the Fraunhofer lines
#FromFraunhoferToMaxwell ⏳🌟

“I can tell you the license plate numbers of all six cars outside. I can tell you that our waitress is left-handed and that the guy at the counter weighs 215 pounds and knows how to handle himself. I know where to look for a gun. How do I know that? How can I know that and not know who I am?” 😇