Why did NASA spend millions developing a pen that would work in space when a pencil is just as good?
They didn’t. The “million-dollar space pen” story is an urban legend that just refuses to die. Pencils aren’t “just as good” in zero-G; in fact, they’re absolutely terrible….
How do Russian fighters compare to US fighters? Is it true that most modern Russian jets cannot match up to older US planes like the F-15 and F-16, despite being built after the Cold War?
Yes, that’s generally true. However, it might not be for the reasons you’re thinking. Russian fighters are very maneuverable and can carry powerful ordnance. Many of them have…
If the universe is so big, why haven’t we encountered an advanced alien civilization yet?
Look at it like this. If there were intelligent life out there, how would they know about us? The only way is by monitoring radio transmissions. The first…
Is it true that the earth is round?
In 1989 I saw a slightly different proof that our earth is round 🙂 There are many ways to prove that our earth is round. But in 1989…
What are some scary facts about history?
One of the nastiest ways to die in the Middle Ages was toilet related. Because in medieval times, men of power and wealth made use of primitive toilets…
If you take a gallon of water from the deepest ocean and bring it up to the surface in a sealed container, will the pressure break the container as it is risen up into the surface?
At the depth of the typical ocean floor — about 3km — water is compressed to 98.2% of its sea-level volume. The Mariana Trench is just over 11km…
What can we learn from Elon Musk?
We learn that: When Someone asked Elon Musk “You don’t have any degree in Aeronautics and still You are the founder most successful private Rocket Company. How did…
Were 1990s Russians dumbfounded when they first visited capitalist grocery stores?
Yes it is true. There is a rare video of Boris Yeltsin, after visiting the Johnson Flight Center, making an unscheduled visit to a grocery store in Houston,…
Was it really necessary to rename the Gulf of Mexico?
Let me start with the elephant in the room. I am neither American nor Mexican so I have no stake in the naming/renaming game. My opinion about the…
Is Steven Seagal really a martial arts expert?
Let’s start out by saying that Steven Seagal is extremely cocky, extremely overweight and has been proven to tell lies. I won’t go into all of them, but…