NASA’s Perseverance lander brought some Easter eggs with it to Mars

It’s a bit of a stretch to call this Teddy Roosevelt quote “encoded,” but it’s still fun to notice. We’re told to be on the lookout for more surprises as the mission develops. Systems engineer Ian Clark used a binary code to spell out “Dare Mighty Things” in the orange and white strips of the 70-foot (21-meter) parachute. Only about six people knew about the encoded message before Thursday’s landing,…

No, these “Perspective matters” photographers aren’t misrepresenting the size of a fire in Paris

I have shared and liked this image, and incorporated it in lesson plans. The juxtaposition suggests that the little knot of photographers is hunkering down in order to make a small fire appear more threatening in front of L’ Arc de Triomphe in Paris. I have seen plenty of cases where unrelated images were juxtaposed and mislabeled, then shared by third parties who aren’t aware of the manipulation, and are…

Mesmerizing Video of a Printer Terminal Running “Adventure” on a PDP-11/45

After spending several days clicking buttons and ticking boxes and waiting for pages to refresh in my school’s content manager, I really, really miss the command line interface. This video shows the 1970s computer game “Colossal Cave Adventure” running on a printer terminal (that is, its only display is text that it prints out on a long roll of paper).