Hearing Updated 2025-07-16
Craig Venter Updated 2025-07-16
One of the biotechnology superstars of the 2000's/2010's.
Bicycle tire sizes Updated 2025-07-16
Yes, Sheldon he has separate American and British English versions of pages!!!
For example, Kross bicycle (2017) had a Schwalbe tyre with markings:
42-622 (28 x 1.60, 700x40C)
When inflated, the tires were about 3.5cm wide as measured with a ruler.
And the Mavic A319 rim had markings:
622x19C
In this:
Consistency Updated 2025-07-16
A set of axioms is consistent if they don't lead to any contradictions.
When a set of axioms is not consistent, false can be proven, and then everything is true, making the set of axioms useless.
Independence (mathematical logic) Updated 2025-07-16
A theorem is said to be independent from a set of axioms if it cannot be proven neither true nor false from those axioms.
It or its negation could therefore be arbitrarily added to the set of axioms.
Ion Updated 2025-07-16
Mole (unit) Updated 2025-07-16
Galaxy Updated 2025-07-16
Messier object Updated 2025-07-16
What an awesome list the dude compiled. Contains many of the features we care the most about of the sky, since of course, apparent magnitude is a big determinant of that.
Planet Updated 2025-07-16

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