Here is A ball of Plutonium, be careful.
What you are seeing is a sphere of plutonium-238. In general, plutonium is not red, it is the usual metallic color. However, the 238 isotope undergoes natural decay…
Jackie Chan did a lot of bad things. Why do so many people still like him?
For the same reason I still love Kevin Spacey in just about any movie he’s ever done — because we seperate the art from the artist. Jackie Chan, the man,…
Why isn’t Russia sending its best military (drone, jets) to dominate Ukraine? Is Putin intentionally sending its weakest force?
This is one of the oldest and most persistent Russian propaganda lies. There are even some active high-ranking NATO officers promoting it: “Russia is much stronger than the…
Trump’s tariffs are working. How much better are they going to get now that Trump successfully negotiated with the EU?
Really? Please explain, on what level are the tariffs working? So far this year, the tariffs have generated around $100 billion in extra revenue. Trump has so far…
Why don’t they design airplane tires to spin on landing (e.g. using fan blades) to reduce tire wear?
Great question. Years ago, I asked that exact question to someone at Goodyear Aircraft Tires. I was sure no one else had ever thought about it and I…
Why are Abrams tanks dropping like flies in Ukraine? The fifth (or even sixth, according to some accounts) one was destroyed a few days ago.
Around 50% of the 31 M1 Abrams tanks the U.S. has sent to Ukraine have been either destroyed or damaged beyond repair. This is indeed a significant number….
How long does Joe Biden have because of his cancer?
As a physician who treats a lot of prostate cancer patients, I think I am qualified to answer this question Let’s start from what we know: Joe Biden…
If you dropped a piece of ice at 0 °C into water of 0 °C, what would happen to ice?
Great question. Let us assume that the system is closed, and that no heat comes in the system or leaves the system. Your question clearly displays that you…
What exactly happened to the Russian space dog Laika?
The story they told was a lie. For decades, the world believed Laika, the Moscow street dog. Died peacefully in orbit a week after her launch in 1957. The…
Why do pilots seem to stabilize engines at around 50% thrust before pushing to full takeoff power?
The 777 engines are simply massive, with the GE-90’s generating upto 115,000lbs of thrust, per side. When cleared for take-off we run the engines to 55% N1 and…