Wi Fi
137 episodes · Page 5 of 6
#1876: Signal Bars Are a Lie: How to Read Your Real Connection
Those signal bars are a lie. Learn the real numbers—RSRP, RSRQ, SINR—that tell you if your connection is actually good.
#1871: The Physics of a Lifeline: Signal Loss in a Bomb Shelter
Stranded in a bomb shelter with no signal? Here’s the engineering to get internet through two meters of concrete.
#1869: The Invisible Broadcast That Bypasses Your Dead Phone
No signal, no SIM, no problem. Discover the hidden GSM radio channel that hijacks your phone to scream warnings, and why it works when everything e...
#1801: Why Hospitals Still Use Pagers in 2026
Despite 5G and smartphones, pagers persist in critical infrastructure. Discover the physics and reliability behind this "legacy" tech.
#1768: Why Can't My Phone Work in a Bomb Shelter?
Thick concrete kills cell signals, but SMS and mesh networks can break through the silence.
#1271: Fiber in the Sky: The Invisible Backbone of Modern War
When fiber cables get cut, "fiber in the sky" keeps missile defenses online. Discover the high-stakes world of military microwave backhaul.
#1174: Side-Sleeper Science: The Engineering of Sleep Earbuds
Stop waking up with ear pain. Discover the engineering behind sleep-specific earbuds and why your AirPods might be sabotaging your rest.
#1136: Beyond Hotel Wi-Fi: Building a Pro 5G Travel Rig
Stop gambling with hotel Wi-Fi. Learn how to build a professional-grade 5G cellular setup for reliable internet anywhere in the world.
#1129: The Always-Connected Lie
Why can't your phone use Wi-Fi and 5G at once? We explore the technical hurdles of multi-modem bonding and mobile network aggregation.
#1071: Beyond the Kill Switch: Advanced Router VPN Routing
Stop breaking your smart home. Learn how to use domain-based split routing and WireGuard to gain surgical control over your network.
#940: Ergonomics Under Fire: Building a Command Center in a War Zone
Stop hunching over your laptop. Learn how to build a pro-grade, ergonomic workstation that fits in your backpack without breaking your back.
#934: Open Source Meets Closed Garden: Linux on a Samsung TV
Connect Ubuntu to a Samsung TV wirelessly and learn pro tips for baby-proofing your cable setup in any living room.
#885: Networking in a Faraday Cage
Learn how to build a high-range, battery-powered Wi-Fi kit capable of punching through concrete walls during an emergency or power outage.
#880: The UX of Survival: Engineering Modular Prep Kits
Discover the PMPU strategy: a modular approach to emergency gear that prioritizes tech, connectivity, and organization when every second counts.
#868: When Your Phone's Mic Beats Your Expensive Gear
Stop holding your phone like a piece of toast. Explore the best mobile microphone setups for high-quality AI voice transcription.
#802: Bluetooth Reimagined: Audio and Tracking in Home Assistant
Is Bluetooth the secret weapon for your smart home? Discover how to master persistent audio and low-cost asset tracking with Home Assistant.
#746: Why Antennas Still Matter in a Streaming World
Explore the hidden tech of television, from DVB-T2 signals to IPTV latency, and why the traditional broadcast isn't dead just yet.
#721: The Two-Clock Obsession: Synchronizing Time at Home
Discover the hidden infrastructure of precise timekeeping, from atomic radio signals to building your own DIY Stratum 1 time server.
#656: When Open Hobbyists Meet Industry Standards
Herman and Corn dive into the shifting landscape of smart home protocols and why Ethernet coordinators are the future of home automation.
#566: When Cable Marketing Outruns Reality
Is DIY cable making the ultimate tech flex or a recipe for disaster? Corn and Herman break down the physics of home networking.
#447: When Physics Limits Your Silent PC Dream
Can you move your PC to another room? Herman and Corn explore the limits of USB, HDMI, and power cables for the ultimate silent workspace.
#434: The Great Sunsetting: When 2G Dies, Your Gadgets Become Paperweights
Why is your GPS tracker now a paperweight? Explore the global 2G/3G sunset and the rise of 5G's new "invisible infrastructure."
#403: Wireless Fiber: The Hidden Tech Powering Our Cities
Discover why the internet travels faster through air than glass and how microwave technology is solving the urban connectivity crisis.
#401: Why Your Home Will Stay Hybrid
Is Ethernet dying? Herman and Corn explore why copper still reigns supreme for power, while fiber optics conquer the network backbone.