Today's date is probably the date itself: and the so-called “Twosday” falls on a Tuesday, no less. It happened once before in the year 1011, but after today it will never happen again. It's a palindrome and an ambigram [read more: https://t.co/6dToujVWir]
The total area of solar panels it would take to power the world, Europe, and Germany. This map is from Nadine May’s thesis [source, read before commenting: https://t.co/xXjEoppaUj]