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Author Archives: Maya Posch

An Unexpected Appearance of an Iconic Motorola Chip

Posted on August 31, 2023 by Maya Posch

Generally when you crack open a cheap car-to-USB charger unit that came with some widget, you do not expect to find anything amazing inside. That’s why it was such a …read more Continue reading An Unexpected Appearance of an Iconic Motorola Chip→

Posted in bigclive, buck-boost, motorola, Reverse-engineering, teardown

Diving into Starlink’s User Terminal Firmware

Posted on August 31, 2023 by Maya Posch

The average Starlink user probably doesn’t spend a lot of time thinking about their hardware after getting the dish aligned and wiring run. To security researchers, however, it’s another fascinating …read more Continue reading Diving into Starlink’s User Terminal Firmware→

Posted in Reverse-engineering, security hacks, Starlink

The McDonald’s Ice Cream Machine Saga and Calls for Right to Repair

Posted on August 31, 2023 by Maya Posch

Raising a likely somewhat contentious topic, iFixit and Public Knowledge have challenged the manufacturer behind McDonald’s ice cream machines to make them easy to diagnose and repair . This is …read more Continue reading The McDonald’s Ice Cream Machine Saga and Calls for Right to Repair→

Posted in ice cream machine, McDonald's, News, repair hacks, Right to Repair

The 2003 Northeast Blackout and the Harsh Lessons of Grid Failures

Posted on August 29, 2023 by Maya Posch

The grid failure in 2003 which reverted much of the eastern US and Canada back to a pre-electrification era may be rather memorable, yet it was not the first time …read more Continue reading The 2003 Northeast Blackout and the Harsh Lessons of Grid Failures→

Posted in blackout, electricity grid, engineering, Featured, history

Restoring a Person’s Voice Using a Brain-Computer Interface

Posted on August 29, 2023 by Maya Posch
Microelectrode (Utay) array and the decoding of the corresponding actions. (Francis R. Willet et al., 2023)

Being able to vocalize is one of the most essential elements of the human experience, with infants expected to start babbling their first words before they’re one year old, and …read more Continue reading Restoring a Person’s Voice Using a Brain-Computer Interface→

Posted in BCI, phoneme, Science, voice synthesis | Tagged Brain-computer interface

The Healing Touch of Magnetic Tentacles in Photothermal Lung Cancer Therapy

Posted on August 28, 2023 by Maya Posch
Close-up of a magnetic tentacle robot next to a phantom bronchiole (Credit: University of Leeds)

Of the body’s organs, the lungs are among the trickiest to take a biopsy and treat cancer in, both due to how important they are, as well as due to …read more Continue reading The Healing Touch of Magnetic Tentacles in Photothermal Lung Cancer Therapy→

Posted in Medical hacks, News, tentacles | Tagged Magnetism

When Does Impedance Matching a PCB Trace Become Unavoidable?

Posted on August 28, 2023 by Maya Posch
Input impedance plottet as a function of trace impedance for trace lengths of 1/10, 1/16 and 1/20 of a wavelength. (Credit: Baltic Labs)

A common joke in electronics is that every piece of wire and PCB trace is an antenna, with the only difference being whether this was intentional or not. In practical …read more Continue reading When Does Impedance Matching a PCB Trace Become Unavoidable?→

Posted in Hardware, impedance, impedance matching, pcb, PCB routing, route, Science

Random Access Memory From a Rotating Drum in a Bendix G15

Posted on August 22, 2023 by Maya Posch

When it’s the 1950s and you are tasked to design a computer system that features not only CPU registers but also a certain amount of RAM, you do not have …read more Continue reading Random Access Memory From a Rotating Drum in a Bendix G15→

Posted in Bendix, Random-access memory, retrocomputing, rotating drum

Looking Back On 30 Years of Debian

Posted on August 22, 2023 by Maya Posch
Debian Buzz (1.1) running under Bochs. (Credit: Thomas Stewart)

The early history of Linux is a rather murky period to most, long before the era of glitzy marketing and proclamations of ‘the Linux desktop’ being the next hot thing. …read more Continue reading Looking Back On 30 Years of Debian→

Posted in debian, linux hacks, News

Luna 25’s Demise: Raising Fundamental Questions About Russia’s Space Program

Posted on August 21, 2023 by Maya Posch
A Soyuz-2.1b rocket booster with a Fregat upper stage and the Luna 25 lunar lander blasts off from a launchpad at the Vostochny Cosmodrome in Amur Oblast, Russia.

The recent news that Russia’s Luna 25 Moon lander had made an unexpected lithobraking detour into the Moon’s surface, rather than the expected soft touchdown was met by a variety …read more Continue reading Luna 25’s Demise: Raising Fundamental Questions About Russia’s Space Program→

Posted in Featured, luna 25, Moon Landing, News, Space

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