Jim Wilder

Recreational mathematician, educator, dog walker, coffee drinker

[Jim Wilder @wilderlab]

@brianlmoon reach out when you need ✅

[Jim Wilder @wilderlab]

@divbyzero Let me know how it turns out, if you try it.

[Dave Richeson @divbyzero]

I may try to making some aperiodic monotiles like these Penrose tiles that @wilderlab gave me a few years ago. Who knows if my home cutting machine will cut these flexible magnetic sheets though...? Worth a try. https://t.co/CioIVQJT0f

[Anne Serling @AnneSerling]

"No moral, no message, no prophetic tract, just a simple statement of fact: for civilization to survive, the human race has to remain civilized."
Rod Serling
Tyre Nelson DOB: (June 5, 1993)
Murdered: (January 10, 2023)
Tyre Nichols: "Beautiful soul with creative eye."

[Johnny Marr @Johnny_Marr]

RIP Jeff Beck. A pioneer and one of the all time greats. #jeffbeck

[Gibson @gibsonguitar]

We are deeply saddened to hear of Jeff Beck’s passing. He was and always will be an inspiration. Our sincere condolences to his family, friends, and fans. Rest easy, Jeff. Thank you for the music.

[Jim Wilder @wilderlab]

Amazing… wow #LeoMessi
Congrats!

[Patrick Honner @MrHonner]

Did you know that any two polygons with equal area are "scissors congruent"? I outline a simple proof in this column for @QuantaMagazine.
#math #geometry
https://t.co/NaDY25E06T

[Jim Wilder @wilderlab]

For the 331st day of the year:

[Jim Wilder @wilderlab]

Impossible Font https://t.co/LzWx6W6EEI

[Jim Wilder @wilderlab]

The Infinity Set: Cantor fork, Recursive spoon, and Koch knife... #HappyThanksgiving https://t.co/3FbWXAr2ik

[Jim Wilder @wilderlab]

Fibonacci Tower

[Jim Wilder @wilderlab]

@panlepan Perfect totient numbers

[Jim Wilder @wilderlab]

For the 327th day: φ(327) = 216, φ(216) = 72, φ(72) = 24, φ(24) = 8, φ(8) = 4, φ(4) = 2, φ(2) = 1, and 216 + 72 + 24 + 8 + 4 + 2 + 1 = 327

[Jim Wilder @wilderlab]

Numbers and squares:
3869 = 62²+05²
6205 = 38²+69²

[Jim Wilder @wilderlab]

For the 324th day:
√324 = 3 • (2 + 4)

[Jim Wilder @wilderlab]

Fours and exponents:
4624 = 4⁴+4⁶+4²+4⁴
595968 = 4⁵+4⁹+4⁵+4⁹+4⁶+4⁸

[Jim Wilder @wilderlab]

Exponents in reverse:
48625 = 4⁵+8²+6⁶+2⁸+5⁴
397612 = 3²+9¹+7⁶+6⁷+1⁹+2³

[PEANUTS @Snoopy]

Happy Halloween! 🎃 👻