Technology

Hardware, software, networking, and development

383 episodes Page 3 of 20

#1941: Why You Can't Zigbee-Wi-Fi Your House

The "mesh" promise fails when you hit the coordinator bottleneck. Here's why multiple hubs don't work like Wi-Fi.

zigbeesmart-homenetworking

#1937: The Science of Battery Health and Charging

The "memory effect" is dead. Here's why charging to 80% is the new rule for phone and EV battery longevity.

battery-technologyelectrical-engineeringelectric-vehicles

#1935: The Charger Graveyard: How to Avoid Buying a Fire Hazard

Stop plugging in mystery chargers! Learn how to spot safe, smart chargers that won't fry your batteries—or your house.

battery-technologyhome-safetyelectrical-engineering

#1934: Why Pro Routers Still Won't Touch Your Light Bulbs

Your Wi-Fi 7 router handles everything except smart home radios. Here’s why the “one box” dream is still stuck in 2026.

smart-homezigbeewireless

#1933: Building a Phone Chain to Signal Underground

Old phones can create a lifeline when signals fail, but physics and hardware impose harsh limits.

androidbattery-technologyemergency-preparedness

#1924: Build Your Own App Store for Linux and Android

Stop manually copying files. Learn how to host your own authenticated repositories for .deb and APK files using simple static web servers.

open-sourcehome-labsoftware-development

#1921: The Three-Second Heartbeat That Keeps Israel Safe

Why a civilian website sends an empty JSON payload every three seconds, even during peacetime, and what it reveals about mission-critical architect...

israelnetworkingfault-tolerance

#1920: InfluxDB vs. Postgres: The Time-Series Showdown

We compare specialized time-series databases like InfluxDB against traditional SQL options like Postgres with Timescale extensions.

data-storagedistributed-systemssoftware-development

#1916: Why Does AliExpress Beat Local Delivery?

A 7,000km international package beats a 60km local one. How do these invisible architects pull it off?

supply-chainlogisticsai-agents

#1915: Why Cargo Planes Fly at 3 AM

While you sleep, massive freighters land every 90 seconds at secret hubs like Memphis, moving the global economy.

logisticsaviationsupply-chain

#1912: GDP: The Giant Receipt for the Whole Country

We break down what GDP actually measures and why the economy can "grow" while your wallet feels poorer.

productivitysustainabilityinternational-trade

#1908: Cloudflare Bot Controls: Getting the Balance Right

AI bots are crawling the web like a bank heist. Are Cloudflare's new controls protecting your content, or just helping Google?

cybersecurityai-agentsnetwork-security

#1904: JPEG XL vs AVIF: The Future of Your Photos

Why are blocky sky artifacts still haunting your photos in 2026? We break down the math behind JPEG, WebP, AVIF, and the new JPEG XL.

image-generationaudio-processinghardware-engineering

#1903: The Analog Hole: Why Hollywood Won't Let You Stream Full Quality

Streaming 4K movies hits 25 Mbps, while Blu-rays push 100 Mbps. Here’s why your shadows look gray and your audio lacks punch.

audio-qualityaudio-engineeringdigital-preservation

#1900: Why Physical Media Is Back (And Streaming Still Sucks)

Streaming 4K is a lie. Here’s why your Blu-ray player is still essential.

audio-qualityvideo-generationhome-lab

#1899: Why Vending Machines Jam on Your Snacks

From Roman holy water to Japan’s soup-dispensing giants, we explore why vending machines jam—and why America’s are stuck in the past.

mechanical-engineeringindustrial-automationlogistics

#1898: The Vinyl of Video: Why Laserdisc Refuses to Die

It spun at 1800 RPM, stored movies analog, and cost a fortune—yet Laserdisc’s legacy endures.

audio-engineeringbroadcast-technologydigital-preservation

#1896: The Unitasker Graveyard: Why We Buy Useless Gadgets

From the Juicero to the motorized ice cream cone, we explore the $300M industry of single-purpose gadgets solving problems that don't exist.

unitasker-gadgetsconsumer-psychologymarketing-tactics

#1878: How to Never Drop a Call Again: The Magic of Cellular Bonding

Combine Starlink, 5G, and LTE into one unbreakable stream, even from a mountain peak.

networkingtelecommunicationssatellite-operations

#1877: Why Submarines Use the Same Spectrum as Your Phone

From submarine commands to credit card taps, explore the invisible physics dividing the radio spectrum.

wirelesssatellite-operationselectronic-warfare