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Author Archives: Al Williams

Hacking Hard Drive Firmware

Posted on May 15, 2026 by Al Williams

You probably flash new firmware on a variety of devices regularly, even though that’s rare for non-technical types. But what about your hard drive firmware? Most of us don’t want …read more Continue reading Hacking Hard Drive Firmware→

Posted in Firmware, hard drive, Reverse-engineering

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

Posted on May 14, 2026 by Al Williams

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 Continue reading Ask Hackaday: Do We Need a 21st Century Calculator?→

Posted in Ask Hackaday, calculator, Calculators, Hackaday Columns, rants

LiDAR Matrix Sensor Sees in 3D

Posted on May 14, 2026 by Al Williams

[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 Continue reading LiDAR Matrix Sensor Sees in 3D→

Posted in robots hacks, tof sensor | Tagged LIDAR

How Did Apollo Separate?

Posted on May 14, 2026 by Al Williams

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 Continue reading How Did Apollo Separate?→

Posted in command module, nasa, service module, Space | Tagged Apollo

Measure the Earth’s Rotation Victorian Style

Posted on May 13, 2026 by Al Williams

You’ve probably seen a Foucault pendulum in a museum. This Victorian-era science demonstration is named after physicist Léon Foucault and shows how the Earth rotates compared to a pendulum moving …read more Continue reading Measure the Earth’s Rotation Victorian Style→

Posted in classic hacks, foucault pendulum, pendulum, Science

The Truth about the Hindenberg

Posted on May 13, 2026 by Al Williams

The Hindenburg disaster recently marked its 89th anniversary, and [The History Guy] marked the event with a video that dispels many of the myths surrounding the airship. Example: the disaster …read more Continue reading The Truth about the Hindenberg→

Posted in Airship, dirigible, hindenburg, transportation hacks, zepplin

The History of Altec Lansing

Posted on May 12, 2026 by Al Williams

If you bought computer audio hardware a few decades ago, you may remember coming across products from Altec Lansing. That you probably haven’t thought of that name in some time …read more Continue reading The History of Altec Lansing→

Posted in altec lansing, history, home entertainment hacks | Tagged JBL

The Walls Don’t Have Ears, But Fiber Optic Does

Posted on May 12, 2026 by Al Williams

You normally think of fiber optic as something used in network cables. However, scientists employ dedicated fibers to detect earthquakes. In simple terms, they fire a laser down the fiber …read more Continue reading The Walls Don’t Have Ears, But Fiber Optic Does→

Posted in eavesdropping, News, Science | Tagged Fiber Optic

Honda Wants to Complicate Your E-Motorcycle

Posted on May 11, 2026 by Al Williams

If you ride a motorcycle, you know it is a bit of an art to manage the transmission on a typical bike. Electric motorcycles lose some of that. You usually …read more Continue reading Honda Wants to Complicate Your E-Motorcycle→

Posted in clutch, electric motorcycle, manual transmission, News, transportation hacks | Tagged Honda, Motorcycle

The Vacuum Tube’s Last Stand(s)

Posted on May 11, 2026 by Al Williams

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 Continue reading The Vacuum Tube’s Last Stand(s)→

Posted in acorn tube, compactron, Featured, history, lighthouse tube, nuvistor, Original Art, subminiature tubes, tube

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