Primal Space

It's true. The LIGO Scientific Collaboration and the Virgo Collaboration publicly announced the first direct detection of gravitational waves on February 11, 2016, confirming a major prediction of Albert Einstein’s general theory of relativity. The signal came from two black holes merging over a billion light-years away 🤯🤯

4 days ago | [YT] | 312

Primal Space

Question 🤔 When building supertall skyscrapers around the world, engineers often use buttressed core or mega-frame structural systems ... but do you know why?

1 week ago | [YT] | 80

Primal Space

Did you know that on this day in 1958, the United States launched its first successful satellite, Explorer 1, into orbit? It's true 🤯 This mission led to the discovery of the Van Allen radiation belts, invisible rings of energetic particles circling our planet, held by its magnetic field.

2 weeks ago | [YT] | 240

Primal Space

Question 🤔 Shanghai has one of the largest subway networks in the world. What major civil engineering challenge did engineers face during its construction?

3 weeks ago | [YT] | 78

Primal Space

Born on this day in 1706, Benjamin Franklin's curiosity and ingenuity shaped science, innovation, and society as we know it today. He believed curiosity was the key to progress… do you feel the same?

4 weeks ago | [YT] | 370

Primal Space

Did you know that classic Hollywood snow effects often used shredded paper or foam flakes, blown around with fans to make them move more naturally? 🌨️ It's true! While salt and other materials were sometimes used in the past, modern productions still rely on these same lightweight, safe options to achieve a realistic look on camera. Yes, there have been many advancements in Hollywood production over the years, but some things never change 😉

1 month ago | [YT] | 174

Primal Space

Question 🤔 As we kick off another year of content, what kind of topics would you like to see more of?

1 month ago | [YT] | 117

Primal Space

Happy New Year! As we step into 2026, I just want to take a moment to thank all of you for being part of this amazing community. Over the past year, we’ve explored incredible engineering feats, unraveled fascinating mysteries, and had some fantastic discussions in the comments along the way. It’s been amazing to watch this community grow and see how your enthusiasm and ideas have shaped our content.

As we kick off another exciting year, I’d love to know 👉 what’s the most surprising thing you learned from the channel in 2025? Drop it in the comments and let’s make 2026 our most unforgettable year yet 🎆

1 month ago | [YT] | 307

Primal Space

In the 1964 film Mary Poppins, Disney achieved some of the cleanest compositing ever seen using the sodium vapor process. What made this technique so effective compared to traditional blue or green screen?

1 month ago | [YT] | 98

Primal Space

Did you know that on this day in 1980, U.S. Air Force personnel reported strange lights and a physical craft in Rendlesham Forest, England? 🛸 Upon further investigation, there even appeared to be physical evidence (indentations, broken branches and elevated radiation readings) left behind, making it one of the most credible UFO encounters documented to this day. So what are your thoughts? UFO or just a holiday hoax? 🤷🏻

1 month ago | [YT] | 154