DIY

The mathematically correct way to tie your shoes
Open-source “Davids” are taking on GPT-4 and other Goliaths
How to prove Einstein’s relativity for under $100
How do DALL-E, Midjourney, Stable Diffusion, and other forms of generative AI work? 
A nun built a hydroelectric plant that’s providing free power to a town in Africa
Blasting mushrooms with UV light boosts vitamin D by 4,600%
Chile is making its own glaciers 
Microsoft posts video of DIY laptop teardown 
Apple finally agrees you have a right to repair its tech 
Kids build DIY microscope from LEGO & cheap phone parts