The Vacuum Tube’s Last Stand(s)

When most people think about vacuum tubes, they picture big glass bottles glowing inside antique radios or early computers. History often treats tubes as a dead-end technology that was suddenly …read more

Hackaday Links: May 10, 2026

While Artemis II was primarily a demonstration flight of the architecture NASA plans to use for future lunar missions, it was also an excellent excuse for the crew to snap …read more

Hackaday Podcast Episode 369: IR, E-Ink, And Avgas

In this episode, Hackaday Editors Elliot Williams and Tom Nardi start things off by discussing the latest reason that cheap PCB fabrication isn’t quite as cheap as it once was. …read more

This Week In Security: Another Linux Exploit, Ubuntu Knocked Offline, Finals Interrupted, And Backdoored Tools

After the CopyFail vulnerability gave root access from any user on almost all distributions last week, this week we’ve got DirtyFrag. This chains the vulnerability in CopyFail (xfrm-ESP) and a …read more

Congratulations To The Green Powered Challenge Winners!

For this challenge, we asked you to show off your hacks that power themselves sustainably from the environment around them. After all, nobody likes wires, and changing batteries is just …read more

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Ask Hackaday: Do We Need A 21st Century Calculator?

7 Comments
By Al Williams | May 14, 2026

Three resistors in parallel: 4.7 k,Ω 22 kΩ, and 3.3 kΩ. Quick! What’s the equivalent value? You can estimate it, of course, but if you want the actual 1.8 kΩ …read more
Automating Window Shades With Home Assistant

2 Comments
By Maya Posch | May 14, 2026

Most people love window shades, but many dislike the tedium of having to open and close them over the course of each day. While there are automation options here, if …read more
Teardown: ChargeTab Emergency Phone Charger

14 Comments
By Tom Nardi | May 14, 2026

If you own a modern smartphone, there’s an excellent chance that its battery has run dangerously low on you at least a few times. Murphy’s Law dictates that this will …read more
British Street Addresses, When Licenses Collide

11 Comments
By Jenny List | May 14, 2026

The world of open source — and in particular open source licenses — is something we cover regularly here at Hackaday with respect to hardware and software, but it’s not …read more
LiDAR Matrix Sensor Sees In 3D

6 Comments
By Al Williams | May 14, 2026

[Mellow_Labs] picked up a few LiDAR matrix sensors and found them very exciting. While a normal time-of-flight sensor can accurately determine a range, the matrix sensor is like an array …read more
Testing Giant Fire Darts From The Mary Rose

6 Comments
By Maya Posch | May 13, 2026

The Mary Rose was a carrack in the English Tudor Navy of King Henry VIII that fought in multiple battles during the 16th century before it was sunk in 1545. After …read more
How Did Apollo Separate?

16 Comments
By Al Williams | May 13, 2026

If you’ve watched a Saturn V launch, you’ve probably seen how a large rocket will often jettison a stage on the way up. There are several reasons for this — …read more

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The Vacuum Tube’s Last Stand(s)

Hackaday Links: May 10, 2026

Hackaday Podcast Episode 369: IR, E-Ink, And Avgas

This Week In Security: Another Linux Exploit, Ubuntu Knocked Offline, Finals Interrupted, And Backdoored Tools

Congratulations To The Green Powered Challenge Winners!

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Teardown: ChargeTab Emergency Phone Charger

2026 Hackaday Europe: Pre-party, More Workshops, And Everything Else

The Vacuum Tube’s Last Stand(s)

There’s More To Global Positioning Than Just GPS

AI On Every Machine: The LLM You Probably Didn’t Want

Our Columns

Ask Hackaday: Do We Need A 21st Century Calculator?

Hackaday Links: May 10, 2026

Copy Or Redesign?

Hackaday Podcast Episode 369: IR, E-Ink, And Avgas

This Week In Security: Another Linux Exploit, Ubuntu Knocked Offline, Finals Interrupted, And Backdoored Tools

The Vacuum Tube’s Last Stand(s)

Hackaday Links: May 10, 2026

Hackaday Podcast Episode 369: IR, E-Ink, And Avgas

This Week In Security: Another Linux Exploit, Ubuntu Knocked Offline, Finals Interrupted, And Backdoored Tools

Congratulations To The Green Powered Challenge Winners!

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