early universe | Isaac Arthur

Cosmic Strings – Cracks in the Fabric of the Universe

Cosmic strings may be ultra-thin defects in spacetime—relic “cracks” from the early universe. How we’d detect them, what they mean for physics, and how aliens might exploit them. Get Nebula using my link for 50% off an annual subscription:...

Dark Stars: Ancient Mysteries From The Dawn Of Time

🌏 Get Exclusive NordVPN deal here ➼ https://nordvpn.com/isaacarthur It’s risk-free with Nord’s 30-day money-back guarantee! Long before the first conventional stars ignited, the Universe was shrouded in darkness, a vastly different realm from what we know today. In...