The Siderwin research project tested a new method of steelmaking that uses direct electrolysis of iron oxide in a pilot plant in France. The steelmaker ArcelorMittal now announced that it wants to commercialize the technology. The production of steel is … Read more
Notion released its AI features. Like most AI-powered-document tools, the value proposition is that the AI can generate content for you. We use Notion for the bulk of our knowledge management at CodePen. I have no use for an AI … Read more
Share this with friends: Let Grow’s goal is to make it easy, normal and legal to give kids some old-fashioned independence. When it comes to that “legal” part, we help states pass Reasonable Childhood Independence laws. Right now, most states’ … Read more
◀ Back to NotesPublished on February 18, 2023 There’s this thing called Launchpad on macOS which shows you all the apps on your Mac in an iOS like manner. You may already have it in the Dock, but you can … Read more
There was recently a discussion on Hacker News around application logging on a budget. At work I’ve been trying to keep things lean, not to the point of absurdity, but also not using a $100 or $1000/month setup, when a … Read more
I’ve been working with TypeScript for a long long time. I think I’m not too bad at it. However, to my despair, some low-level behaviors still confuse me: Why does 0 | 1 extends 0 ? true : false evaluate … Read more
For a company worth $430bn that straddles one of the world’s most dangerous geopolitical flashpoints, there is something endearingly unflustered about Taiwan Semiconductor Manufacturing Company (TSMC). Both America and China covet its unmatched ability to make advanced chips. It’s a … Read more
Published: 2023-01-15 This is about Lenses, what they are, how you write them by hand, why writing them by hand sucks, how to stop writing them by hand, and how to have an awesome library do it for you. We’re … Read more
with an animated comic (turn on sound and press autoconsume or just click around) AUTOCONSUME PREVIOUS NEXT PANEL ‘, ‘textFontSize’: ’12’, ‘textStroke’: ”, ‘textFill’: ‘black’, ‘image_file’: ‘/static/elonman/images/comic/colorbars.1340138eb5a9.png’, ‘left’: ‘559.00’, ‘top’: ‘181.00’, ‘width’: ‘124.00’, ‘height’: ‘46.00’, ‘rotation’: ‘0.00’, ‘index’: ‘5’, ‘unique_id’: … Read more
Making a Concave Mirror Using 15th Century Technology I decided to see if I could make a suitable concave mirror using only technology that would have been available in the 15th century, with the goal of producing a “mirror lens” … Read more