Brian Wecht
speaker
852 appearances
2 recordings
1 series
first heard Aug 2026
last heard 5 Sep
Brian Wecht’s voice in public audio — every appearance, attributed to the second.
Trend
recordings per month · last 12 monthsRecordings per month over the last 12 months — 2 in all, peaking in Sep 2026 with 1.
Appearances
Item 1.
Although the volume of a d-dimensional cube with sides of length 1 stays constant as you increase the number of dimensions, the volume of a d-dimensional sphere with radius 1 grows without bound, having the asymptotic functional form of an exponential.
Item 2.
Black holes in four spacetime dimensions are uniquely characterized by their mass and angular momentum, but the equivalent result in five spacetime dimensions is no longer true, meaning that there can be multiple singular solutions of the vacuum Einstein equations with the same mass and angular momentum.
And finally, item 3.
The densest way to pack d-dimensional spheres is known only in dimensions 1, 2, 3, 8, and 24, and otherwise remains an open problem in mathematics.
are true?
Two of these are true.
One of them is not.
Can you read the real ones to us now?
I'm kind of scared right
Steve, do you regret letting me do this?
Oh, no,
a
Okay, great.
Well, then you should go first.
Okay.
Bob, since you're looking at me like that.
in the thing Bob is looking at which one is the fiction.
Well,
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