Skip to content
Motley Science

Motley Science

A motley collection of ideas

  • AI Tricks
  • Articles
    • Electronics, HAM
    • Engineering
    • 3D printing
    • Physics
    • Mathematics
    • Chemistry
    • Computer Science & Communications
    • Home Hacks
    • Pets
    • Environment & Biology
    • Photography
    • Trigger Zone
    • Teardown Lab
    • Miscellaneous
  • For Kids
    • Tiny Circuits
    • Color Lab Fun
  • Suggestions
    • Food
    • Books (in English)
    • Books (in Hungarian)
    • Movie
    • Music
    • App
    • Web
  • Walks & Discoveries
  • Gray Zone
  • Home & Info
    • Tools & Useful Links
    • Contact
    • Calendar

physics

Why 137

January 30, 2026April 1, 2017 by Andy

Many people have asked why 137? The 137 (Roman numeral CXXXVII) is fascinating for several reasons

Categories Mathematics Tags fine-structure constant, fineStructureConstant, mathematics, mythology, number137, physics, primeNumbers Leave a comment

Hi there,
I’m Andy (or Bandi, if you’re feeling Hungarian).

This site is all about DIY science projects, electronics, puzzles, and whatever else sparks curiosity on a quiet weekend.

Support me – Buy me a coffee

Like what you’re reading?
Help keep this blog ad-free and independent –
☕ buy me a coffee

Every bit of support means more time for new content!

How to Make Invisible InkHow to Make Invisible Ink
Hitler’s GoldfishHitler’s Goldfish
Building the MySondy Go – A Pocket Tool for Radiosonde HuntingBuilding the MySondy Go – A Pocket Tool for Radiosonde Hunting
Vostok TOZ–35 Free PistolVostok TOZ–35 Free Pistol
1.3 GHz 1:1000 Frequency Counter Prescaler1.3 GHz 1:1000 Frequency Counter Prescaler
Portable Moxon antenna for weather radiosonde huntingPortable Moxon antenna for weather radiosonde hunting
Very cheap, portable, 1/4 Wave Ground Plane Antenna for the AirbandVery cheap, portable, 1/4 Wave Ground Plane Antenna for the Airband
Fox Hunting: A Practical Guide with a Simple ReceiverFox Hunting: A Practical Guide with a Simple Receiver
Custom buttons in Total CommanderCustom buttons in Total Commander

Recent Posts

  • How Not to Disinfect a Book
  • Vác–Cigány Valley: Prehistory Turning Up in the Furrows
  • Treatment for a “Mad DVD Gamer”
  • Custom buttons in Total Commander
  • A Test-solving Practice Tool
  • How to Translate Image Labels with AI – Without Ruining the Figure
  • Fox Hunting: A Practical Guide with a Simple Receiver
  • From bitmap formulas to LaTeX with ChatGPT
  • Atomic Toys and Childhood Curiosity: The Myth of the “Most Dangerous Toy”
  • Weather radiosonde hunting for beginners

Popular Tags

Amateur Radio Auto automation ChatGPT circuit design DIY DIY Electronics DIY project Document Draft education Electrical Engineering electronics energy efficiency Historical Technology history Hungarian radio Hungary LED mathematics multimeter NASA oscilloscope politics Popular Science recipe repair Science Communication technology Tinkercad Vintage Electronics Wildlife Writing

Archives

Detailed archive

  • 2026 (16)
  • 2025 (39)
  • 2024 (16)
  • 2023 (4)
  • 2022 (11)
  • 2021 (9)
  • 2020 (5)
  • 2019 (5)
  • 2018 (9)
  • 2017 (4)
  • 2016 (3)
  • 2015 (6)
  • 2013 (2)
  • 2011 (1)
  • 2009 (2)
© 2026 Motley Science • Built with GeneratePress