Batteries: how cheap can they get? – by Auke Hoekstra

I predict that long before 2030 we will have long lasting batteries for less than $50/kWh everywhere. Your house will get a 20 kWh battery costing just $1000 that will earn itself back in less than three years and make sure your electricity use never peaks during the day, that your voltage hardly fluctuates, and […]

Manna – Table of Contents | MarshallBrain.com

With half of the jobs eliminated by robots, what happens to all the people who are out of work? The book Manna explores the possibilities and shows two contrasting outcomes, one filled with great hope and the other filled with misery. Source: Manna – Table of Contents | MarshallBrain.com

A Decade of Metal: The Early Years (2014–2019) – Metal by Example

In 2014, when Apple introduced the Metal graphics API, the landscape of computer graphics APIs was dominated by long-established standards like OpenGL. Seismic shifts were afoot, however, with the announcement of DirectX 12 a few months prior and the initiative that would produce Vulkan starting to take shape. These parallel efforts signaled a significant shift […]

DJI ban passes the House and moves on to the Senate | Hacker News

Skydio exited the consumer market. Their drones had good autonomy and flight characteristics. However, they struggled with wireless link quality due to the use of consumer WiFi, and had much older, inferior camera sensors compared to even contemporary DJI drones. They were also ridiculously loud and inefficient. Their enterprise drones are comically expensive and loaded […]

Cyber Scarecrow

When hackers install malicious software on a compromised victim, they first check to make sure its safe for them to run. They don’t want to get caught and avoid computers that have security analysis or anti-malware tools on them. Scarecrow takes advantage of this, by running in the background of your computer and ‘faking’ these […]

M1 Mac + Dell Monitor Flickering Issue Fixed – S2722QC – USB-C – Monterey : r/Dell

I have found a permanent solution. Thanks to a post from MacRumors https://forums.macrumors.com/threads/m1-m2-flickering-ghosting-with-external-display-merged.2271670/post-33054028, I was able to stop flickering on my U3223QE completely. I have turned off GPU Dithering on my MacBook Pro M1 Pro using BetterDisplay. Now, I can have dark mode and night shift with any color profile and avoid any flickering. So […]

The One Billion Row Challenge in Go: from 1m45s to 3.4s in nine solutions

This article describes the nine solutions I wrote in Go, each faster than the previous. The first, a simple and idiomatic solution, runs in 1 minute 45 seconds on my machine, while the last one runs in 3.4 seconds. As I go, I’ll show how I used Go’s profiler to see where the time was […]