Spirals in Space – Sixty Symbols

From Sixty Symbols. Professor Meghan Gray discusses spirals in space. More links and info below ↓ ↓ ↓ Professor Gray playlist – https://www.youtube.com/playlist?list=PLcUY9vudNKBORQN625NgO3c4T82M6w2st More links 2025 UK: https://www.bbc.co.uk/news/articles/c241073v66jo Nottinghamshire: https://www.bbc.co.uk/news/articles/cdrx8kdj8gjo Reddit thread: https://www.reddit.com/r/nottingham/comments/1jj0pbg/anyone_else_just_seen_this_in_the_sky/ 2023 Alaska: https://www.theguardian.com/us-news/2023/apr/18/northern-lights-spiral-alaska-night-sky-blue-light-spirals-spacex-rocket-fuel 2023 Hawaii: https://www.space.com/spacex-gps-rocket-launch-spiral-hawaii Movie from Mauna Kea (inc telescopes): https://www.youtube.com/watch?v=9dvI2zAA8vY 2009 Crazy Norwegian spiral: https://slate.com/technology/2009/12/awesomely-bizarre-light-show-freaks-out-norway.html Movie: https://www.youtube.com/watch?v=eoTnLTViHJM Simulation that…

Concrete’s Greatest Weakness is Time

From Practical Engineering. The challenge of cure time 🌌Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/Practical-Engineering 🏙️Watch 17 Pages: https://nebula.tv/videos/17pages?ref=practical-engineering Concrete is a material that embodies both a sprint and a marathon. Watch this video ad-free on Nebula: https://nebula.tv/videos/practical-engineering-concretes-greatest-weakness Signed copies of my book (plus other cool stuff) are available here:…