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Bartosz Ciechanowski Blog Archives Patreon Twitter Instagram e-mail rss October 18, 2022 Sound Invisible and relentless, sound is seemingly just there, traveling through our surroundings to carry beautiful music or annoying noises. In this article I’ll explain what sound is, how it’s created and propagated. Throughout this presentation you will be hearing different sounds, which you will often play yourself on little keyboards like the one below. You can either click its keys with your mouse or use W E R keys on your computer keyboard, but before you do so make sure your system volume is at a reasonable level: You can press its keys with your fingers, but before you do so make sure your system volume is at a reasonable level. You may also need to unmute your device: We’ll eventually understand how these sounds are created and how they get to your ears, b...

Bartosz Ciechanowski Blog Archives Patreon Twitter Instagram e-mail rss March 28, 2023 Bicycle There is something delightful about riding a bicycle. Once mastered, the simple action of pedaling to move forward and turning the handlebars to steer makes bike riding an effortless activity. In the demonstration below, you can guide the rider with the slider , and you can also drag the view around to change the camera angle: Compared to internal combustion engines or mechanical watches , bicycles are fairly simple machines – most of their parts operate in plain sight. What’s not directly visible are all the forces that make it possible to ride and control a bicycle without compromising the structural integrity of its components. In this article, I’ll focus on the delicate interplay between many of the forces that act on a bicycle and its parts when riding. We...

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