How did World War 2 era diesel submarines have such exceptional ranges of over 21000 miles while similarly sized ships only had ranges of around 6000 miles?
A lot of good answers, but only one of them even remotely mentioned a specific trick that US WW2 Submariners did to get extra range, and by the…
What are some incredible pictures that no one has seen before?
1.This is a picture of the spacecraft NASA leaving our atmosphere. 2. This is how brick roads are being built in the Netherlands. 3. Blood vessels of one…
Why are Italian WW2 planes underrated when they were so good?
Italian planes of World War II were indeed good aircrafts and they were well designed. From an aerodynamic point of view, they were probably better than their German…
What parenting anomalies have been observed in the wild?
While on a normal safari trip, photographer Adri De Vidder’s spotted a particularly eye-catching sight. This is what he saw: Usually, with the aggressive nature of lions and…
Where exactly is Voyager 1?
This is a topic of great interest to me, especially since Voyager 1 is the most remote craft we have ever sent forth. After 40 years of travel,…
If the Earth were a grain of sand, then how big would the rest of the universe be in comparison?
Let’s make earth be a largish grain of sand, about 1.27 mm in diameter. This gives us a scale of 10^10 or ten billion to one. Fairly easy…
Does the very first star to have formed in the Universe still exist? Do we know of it?
Say hello to the Methuselah Star, sometimes known by its catalog name, HD 140283. Right in the neighborhood; it’s about 190 light years away in the constellation Libra. It wasn’t…
If I drained all of the world’s oceans and walked to the bottom of Mariana Trench, would there still be pressure? Would it be dark and cold? What would it be like at the bottom?
The Marianas Trench is something like 37,000 feet deep, so removing all the water would make it the location of the highest air pressure on Earth. I will…
If the atomic bomb is a 40s technology, why didn’t any other country like Iran or Iraq for example manage to make one in a matter of one day?
Uranium 235 is the magic stuff that makes nuclear weapons possible. It’s not the most common isotope of Uranium though, not by a long-shot. You can order a chunk…
What is the largest size a planet can be?
320 light years away is a star called HD 100546. In 2014, the discovery of a new exoplanet around it was announced. Creatively, it was named “HD 100546…