To quote commenter [douyarou], “It’s like our little version of a Precambrian explosion”. A bunch of hackers have discovered, independently and building on each other’s work, software-defined radio (SDR) capabilities …read more (https://hackaday.com/2026/10/17/discovering-sdrs-everywhere/)

2026 Retrocomputing Challenge: Oldputer Gives Old Eyes Relief with E-ink Display
https://hackaday.com/2026/10/17/2026-retrocomputing-challenge-oldputer-gives-old-eyes-relief-with-e-ink-display/

Modern computers are towers of glass and metal with very few large deviations from one to another. Monitor A will go against B, except you can’t tell them apart unless …read more (https://hackaday.com/2026/10/17/2026-retrocomputing-challenge-oldputer-gives-old-eyes-relief-with-e-ink-display/)

Building a Flying Drone With a Single Propeller
https://hackaday.com/2026/10/17/building-a-flying-drone-with-a-single-propeller/

Technically all that you need in order to make a drone fly is a single motor and single propeller, but realistically it becomes basically impossible to fly it at that …read more (https://hackaday.com/2026/10/17/building-a-flying-drone-with-a-single-propeller/)

2026 Retrocomputing Challenge: Dollhouse Arcade Cabinet Runs Remote DOS Games
https://hackaday.com/2026/10/17/2026-retrocomputing-challenge-dollhouse-arcade-cabinet-runs-remote-dos-games/

Classic DOS games never ran from within stand-up arcade cabinets in dollhouses, but [Juha Lilja] imagines a world in which they did. His Micro DOS arcade cabinet is described as …read more (https://hackaday.com/2026/10/17/2026-retrocomputing-challenge-dollhouse-arcade-cabinet-runs-remote-dos-games/)

Busting the Myth that Plastics are Chemically Inert in Water
https://hackaday.com/2026/10/17/busting-the-myth-that-plastics-are-chemically-inert-in-water/

One of the often made claims about plastics is that they are chemically inert under most conditions, such as when exposed to water. This long-held belief has also challenged the …read more (https://hackaday.com/2026/10/17/busting-the-myth-that-plastics-are-chemically-inert-in-water/)

Making a New Mechanism for a Reciprocating Pencil Sharpener
https://hackaday.com/2026/10/17/making-a-new-mechanism-for-a-reciprocating-pencil-sharpener/

An engineer’s greatest tool is the writing utensil. Be it pen or pencil, we use them for everything from making diagrams to marking out cuts. But as with any practitioner …read more (https://hackaday.com/2026/10/17/making-a-new-mechanism-for-a-reciprocating-pencil-sharpener/)