NASA has revealed a stunning first photo of the distant world of Ultima Thule, the most distant object that humanity has ever explored. Was it as they expected?
his is the back side of Jupiter’s moon Callisto: A dark, icy, cratered ball. Pretty much what they expected. And possibly the last thing in the Solar System that looked…
If water is made up of 2 atoms of hydrogen & 1 atom of oxygen, then why can’t we manufacture water?
We can! Here is a giant water-making machine in action, making 1.8 tons of artificial water every second: At this moment, 200 kg hydrogen and 1600 kg oxygen…
Why did Germany surrender after Hitler died?
This is a map of Germany at the time of Berlin’s surrender in May 1945. The dark red areas are those still controlled by the German army; they…
Is it true that on Saturn’s moon Titan, you could walk around without a pressure suit, just heavy parka and oxygen tanks?
Yes, it is true but for a very limited amount of time! Without a completely airtight, heated suit and heated air supply? No. True, it would not have…
Why does the Earth rotate? Why doesn’t it stop?
Planets do not have to rotate. Look at Venus. It rotates so slowly that it might as well not be rotating. It rotates backward as well. You might…
If the Yellowstone supervolcano erupts, will the U.S. still be the biggest superpower?
No. A full-blown, supervolcano eruption at Yellowstone, ie an 8 on the Volcanic Explosivity Index, would devastate the United States with the immediate ash fall. Not to worry though, the Volcanic…
What’s the most terrifying animal in the ocean?
The Bobbit Worm. This animal is straight out of a horror movie. I’m convinced they came from the meteor that wiped out the dinosaurs. The worm falls into…
Since Superman has been exposed to Kryptonite so much, shouldn’t he be immune to it by now?
See this guy? Say hello to Superman of Earth-22. This is a version of the Man of Steel who decides to come out of retirement due to the…
I received 68 bitcoin from a random address. What should I do, call the police?
I would do nothing. Don’t sign into whatever account it’s in either. In other words, forget it and the account it’s in exists – for now. Here’s why:…
Was the Sagittarius A* black hole ever a star?
Stars with mass more than 150 Solar Masses are believed to be unstable. The radiation pressure from the core would be so high that it would shed the…