Recent content by mr3000

https://en.wikipedia.org/wiki/Axiom_of_infinity This is the best definition of infinity in my opinion, and it is mathematically rigorous

Agreed

https://en.wikipedia.org/w/index.php?title=Infinity&oldid=1325158009 Up until a few weeks ago, this was the definition as given in the opening sentence. “Infinity is something that is boundless, limitless, endless, or larger than any natural number”

The definition of infinity is that it is something that is larger than any natural number

I’m honestly not sure which one to pick, Sputnik will always be the beginning, yet Apollo 11 was clearly more impressive. I wasn’t old enough to witness either of them (born in 1995.) perhaps someone old enough to remember them both can give the best answer

https://en.wikipedia.org/wiki/Last_universal_common_ancestor

It seems to me that if life started on earth exactly once in 4.5 billion years, then it is an extremely improbable event that is a very rare if not unique occurrence in the universe. I’m aware that the number of planets in the universe, including interstellar and intergalactic planets, is an...

I heard that there might be a manned mission to the moon in 2026. Is this true?

https://en.wikipedia.org/wiki/Copenhagen_Suborbitals Do you think that this group of amateurs will succeed in performing a manned suborbital space flight? I personally am skeptical, but then again, stranger things have happened. I’d love to hear what actual aerospace engineers have to say...

If there are an infinite number of natural numbers, and an infinite number of fractions in between any two natural numbers, and an infinite number of fractions in between any two of those fractions, and an infinite number of fractions in between any two of those fractions, and an infinite number...