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Why Leaded Fuel Is Still A Thing

Leaded fuel is considered one of the greatest environmental failures in modern human history. Adding tetraethyl lead to gasoline reduced knock in internal combustion engines, which was widely considered a …read more

Hackaday Links: May 3, 2026

Software that collects public data from the Internet and uses it to provide half-assed answers to your questions might seem like a modern craze, but today we bid farewell to …read more

How TTY Opened Up The Phones For The Hard Of Hearing

The telephone was an invention that revolutionized human communication. No more did you have to physically courier a letter from one place to another, or send a telegram, or have …read more

FLOSS Weekly Episode 869: Linux On Your Toaster

This week Jonathan chats with Andrei, Mahir, and Praneeth, live on location at Texas Instruments! The team at TI has been working hard to provide really good Open Source support …read more

Bicycle Tubes Aren’t Just Made Of Rubber Anymore

For the average rider, inner tubes have been one of the most enduring and unchanging parts of bicycle design over the decades. They’re made of rubber, they have a Schrader …read more

From The Blog

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  • Why Opposed Piston Internal Combustion Engines Are Great

    2 Comments

    By Maya Posch | May 6, 2026

    Converting the ignition of a fuel-air mixture into usable mechanical energy lies at the core of a dizzying number of internal combustion engines developed over the course of more than …read more

  • Retrotechtacular: Julius Sumner Miller Breaks Lamps With Magnets

    No comments

    By Al Williams | May 6, 2026

    If you watched the Mickey Mouse Club way back when, you might remember Professor Wonderful, who was, in reality, physics professor [Julius Sumner Miller]. He also had his own show, …read more

  • You’ve Seen The Chip Shortage And The Memory Shortage, Now Prepare For The PCB Shortage

    21 Comments

    By Jenny List | May 6, 2026

    It’s nice to hide away in our little corner of the internet and talk tech, safely away from the turmoil of world events. Sometimes though, geopolitics intrude even into our …read more

  • RGB Laser Projector Does Colorful Asteroids And Much More

    6 Comments

    By Tyler August | May 6, 2026

    Have you thought about building a galvonometer-based laser projector, but don’t know where to start? There are a lot of resources out there, but you could do worse than to …read more

  • Using Hamster Power To Charge A Phone

    14 Comments

    By Maya Posch | May 5, 2026

    It seems fair to say that hamsters are a somewhat divisive pet, between their fluffiness, high-strung nature, short lifespan and incessant squeaking that sounds like some electronic device is trying …read more

  • Earthworms Don’t Bio-Accumulate Microplastics, So There May Be Hope For Us

    23 Comments

    By Tyler August | May 5, 2026

    Microplastics absolutely saturate the Earth’s environment, and that’s probably not a good thing unless you’re looking for a sediment marker for the Anthropocene period. On the other hand, environmental contamination …read more

  • Defeating The [Works By Design]’s Unpickable Lock

    8 Comments

    By Maya Posch | May 5, 2026

    Even though the very concept of an ‘unpickable lock’ is as plausible as making water not be wet, this doesn’t take away from the intellectual thrill of devising solutions to …read more

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  • How Giant Tanks Of Fluid Could Help Support The Power Grid

    35 Comments
  • Why Leaded Fuel Is Still A Thing

    69 Comments
  • How TTY Opened Up The Phones For The Hard Of Hearing

    15 Comments
  • Bicycle Tubes Aren’t Just Made Of Rubber Anymore

    47 Comments
  • The GPS III Rollout Is Almost Complete, But What Is It?

    34 Comments
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  • Retrotechtacular: Julius Sumner Miller Breaks Lamps With Magnets

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  • Strange Ways To Make Cold

    13 Comments
  • Hackaday Links: May 3, 2026

    3 Comments
  • Peripherals Hacks

    10 Comments
  • Hackaday Podcast Episode 368: A Pen That Draws Against You, 3D Printing Stuff, And Tablet, Shmablet!

    2 Comments
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THE ULTIMATE MINI ARCADE

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etyper

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If you missed it

  • How Giant Tanks Of Fluid Could Help Support The Power Grid

    35 Comments
  • Why Leaded Fuel Is Still A Thing

    69 Comments
  • How TTY Opened Up The Phones For The Hard Of Hearing

    15 Comments
  • Bicycle Tubes Aren’t Just Made Of Rubber Anymore

    47 Comments
  • The GPS III Rollout Is Almost Complete, But What Is It?

    34 Comments
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  • Retrotechtacular: Julius Sumner Miller Breaks Lamps With Magnets

    No comments
  • Strange Ways To Make Cold

    13 Comments
  • Hackaday Links: May 3, 2026

    3 Comments
  • Peripherals Hacks

    10 Comments
  • Hackaday Podcast Episode 368: A Pen That Draws Against You, 3D Printing Stuff, And Tablet, Shmablet!

    2 Comments
More from this category

Recent comments

  • Elliot Williams on You’ve Seen The Chip Shortage And The Memory Shortage, Now Prepare For The PCB Shortage
  • Gus Mueller on Why Opposed Piston Internal Combustion Engines Are Great
  • Bryan on Using Hamster Power To Charge A Phone
  • Graham on You’ve Seen The Chip Shortage And The Memory Shortage, Now Prepare For The PCB Shortage
  • Z on Using Hamster Power To Charge A Phone
  • karl on You’ve Seen The Chip Shortage And The Memory Shortage, Now Prepare For The PCB Shortage
  • Miles on Making A “Unpickable” Lock
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  • JH on Earthworms Don’t Bio-Accumulate Microplastics, So There May Be Hope For Us
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