The Quantum Secret Behind the Most Precise Tool on Earth | NOVA | PBS

Lasers aren’t just for scanners and cat toys—they’re precise enough to measure ripples in space-time itself. 📺 Watch the full episode here: https://www.pbs.org/wgbh/nova/video/d... 💙 Help us bring the universe closer to home. Your donation ensures that NOVA’s deep-space discoveries and quantum physics explorations remain free and inspiring for the next generation of scientists. Support fact-based storytelling today. https://bit.ly/48UnsrD 📰 Stay up to date on the latest science discoveries, full episodes, articles, videos, and more by signing up for NOVA's newsletter here: https://to.pbs.org/4brCC7Y ▶️ Stream NOVA documentaries & more with PBS Documentaries on Prime Video: https://amzn.to/4hXBlsu 🛍️ Shop official NOVA 50th anniversary merch: https://nova-shop.org/ Follow on social for more NOVA content Twitter:   / novapbs   Instagram:   / novapbs   TikTok:   / novapbs