Reports have flooded in this evening of a strange object in the sky, traveling in a north-to-south trajectory somewhere in the upper atmosphere. My inbox has been absolutely filled with these sightings, so I felt obligated to jump up and share them with you here.
There are a number of ways scientists believe the universe will ultimately end. The Big Rip, in which the universe stretches itself apart. The Big Crunch, kind of the opposite of the Big Bang, where the expansion of the universe reverses and all matter returns to a small chunk of space. And then there’s collapse.
I want you to travel back to 1997. It’s an exciting time; Disney’s Hercules is hitting theaters, Third Eye Blind’s Semi-Charmed Life is at the top of the charts. Mike Tyson is getting ready to bite Evander Holyfield’s ear off. Okay, well, maybe exciting isn’t the right word. But then a guy named Juan Maldacena …
In celebration of the MAVEN (that’s Mars Atmosphere and Volatile Evolution) probe launch last month, NASA released this video showcasing a computer-generated flyover of what Mars may have looked like four billion years ago, when the planet is believed to have contained liquid water (and, possibly, life).
We’ve seen robots that can do a lot of things. Chop noodles. Fly like birds. Stalk old people in nursing homes. Now we can add beat humans 100% of the time at Rock Paper Scissors to that growing list of reasons we should worry.
There’s an echo throughout the cosmos, a lingering remnant from the time our universe was born, called the Cosmic Microwave Background, or CMB.