AI Can See Without Cameras. WiFi Was Just the Beginning.

Radio waves were built to carry information. Now AI is learning to read the physical world hidden inside their reflections. The same basic idea behind Call of Duty’s heartbeat sensor already exists in soldiers’ kit bags, Google’s Nest Hub, cheap radar boards—and, at a much larger scale, the cellular networks spreading across entire cities. This video traces the lineage RF sensing from the Army-funded Sense Through the Wall program and biometrics-at-a-distance research, through public studies that can measure breathing, heartbeats, location, pose, emotion and identity, to Google Soli, Reliance Jio’s 26 GHz rollout and T-Mobile’s patent for environment scanning with a cellular network. Then we examine Ghost Murmur -- the disputed report that quantum magnetometry helped locate a downed US airman in Iran. The rescue and the CIA’s reference to “exquisite technologies” are on the record; the alleged sensing method and range remain contested. The larger shift is legit -- radio is quickly becoming a sensing medium as much as a communications medium. With AI, the same infrastructure can communicate with the world and perceive it -- at room, building and city scale. No camera required. The inevitable implications of this tech is what we'll explore. Watch my original WiFi sensing video: https://youtu.be/0OdR8rRMz3I Watch my synthetic aperture radar (SAR) video: https://youtu.be/UKLuei1CnZY Chapters: 00:00 The Heartbeat Sensor Is Real 00:53 How Radio Sees You 01:12 Sense Through the Wall 02:12 Biometrics at a Distance 02:46 Your Heartbeat Is an ID 03:28 Five Layers of RF Sensing 07:10 Radar on Your Bedside Table 08:42 Why India Blocked the Pixel 4 09:14 From Phone Radar to City-Scale Sensing 10:17 The $22 Version 11:33 The Ghost Murmur Mystery 13:48 What Radio Waves Really See Key research & sources: Sense Through the Wall radar patent: https://patents.google.com/patent/US20110025546A1/en US Army: Soldiers See Through Walls: https://www.army.mil/article/32868/soldiers-see-through-walls/ Biometrics-at-a-Distance program: https://www.sbir.gov/awards/142821 DHS Portable Signs of Life Identifier survey, including Jetson: https://www.dhs.gov/sites/default/files/publications/portable_signs_of_life_updated-508c_v3.pdf Through-wall heartbeat detection using single-channel 24 GHz radar: https://pmc.ncbi.nlm.nih.gov/articles/PMC10847523/ Millimeter-wave human detection and localization in complex indoor environments: https://doi.org/10.3390/rs16142572 Millimeter-wave emotion-recognition dataset: https://www.nature.com/articles/s41597-026-07159-6 RDGait single-chip radar identity research: https://doi.org/10.1145/3678552 MIT Vital-Radio: https://people.csail.mit.edu/hongzi/content/publications/VitalRadio-CHI.pdf Google Soli / Motion Sense: https://blog.google/products-and-platforms/devices/pixel/new-features-pixel4/ Google Nest Hub Sleep Sensing: https://support.google.com/googlehome/answer/10357288 Reliance Jio 26 GHz mmWave rollout: https://www.ril.com/news-media/press-releases/jio-announces-nationwide-rollout-5g-based-connectivity-using-26-ghz-mm T-Mobile patent — Environment Scanning Using a Cellular Network: https://patents.google.com/patent/US11698453B2/en Ghost Murmur technical analysis: https://www.scientificamerican.com/article/what-is-the-quantum-ghost-murmur-purportedly-used-in-iran-scientists/ AP reporting on the rescue and “exquisite technologies” statement: https://apnews.com/article/7d8cfb6d0fd400abdc71f8c9d67408fe -- Subscribe for more in-depth AI & creative tech videos! 👉 ‪@bilawalsidhu‬ Join My Newsletter: https://spatialintelligence.ai Connect with me on X/Twitter here: https://x.com/bilawalsidhu Everywhere else here: https://bilawal.ai Business inquiries: [email protected] Bio: Bilawal Sidhu is a creator, engineer, and product builder obsessed with blending reality and imagination using art and science. Bilawal is the technology curator for TED Talks, and a venture scout for Andreessen Horowitz. With more than a decade of experience in the tech industry, he spent six years as a product manager at Google, where he worked on spatial computing and 3D maps. His work has been featured in major publications including Bloomberg, Forbes, BBC, CNBC, and Fortune, among others. Bilawal’s journey into computer graphics began at 11, when he fell in love with seamlessly blending 3D into real life footage. Since then, he's captivated over 1.5M subscribers, garnering more than 500M+ views across his platforms. Driven by a mission to empower the next generation of artists and entrepreneurs, Bilawal openly shares AI-assisted workflows and industry insights on social media. When he’s not working, you can find Bilawal expanding his collection of electric guitars. TED: https://www.ted.com/speakers/bilawal_sidhu