This is a short summary. ↗ Open original to view full content
Solving a quadratic equation in a prime (finite) field
from blog Kevin Boone's website, | ↗ original
Related
More from Kevin Boone's website
A USB power supply with a real on-off switch
1 Jan 2025 |
original ↗
As part of my campaign to eliminate wall-warts and external power supplies that don't have on/off switches, I've built a USB charger that has a mains switch. Why? Because nobody seems to sell one.
They don't make them like that any more: Sony PRS-500 e-reader
9 Dec 2024 |
original ↗
In a market dominated by the Amazon Kindle, it's easy to forget that Sony, not Amazon, made the first commercially-successful e-book reader.
They don't make 'em like that any more: things you can switch off
8 Dec 2024 |
original ↗
How worried should we be, that we're wasting electrical energy for no benefit?
The Argleton affair, and the Wikification of the World-Wide Web
5 Dec 2024 |
original ↗
How a non-existent English village ended up on maps, and the implications this has for how we handle information.
Extending the bash 'cd' command in Linux
5 Dec 2024 |
original ↗
The built-in cd command in the bash shell is not as smart as it could be; but it's a little fiddly to extend its functionality.