Hardware & Computing
Physical hardware, devices, and computing
26 episodes
#2358: ESP32 vs Raspberry Pi: The Microcontroller Mindshift
Why your smart thermostat doesn’t run Linux—and why that’s a feature. The surprising differences between microcontrollers and single-board computers.
#2330: Peripheral Vision Signals: The Future of Ambient Notifications
How USB lights and DIY setups are rethinking notifications to reduce screen overload and tap into your peripheral vision.
#2270: How Your Laptop Charger Conquered the World
The heavy travel transformer is extinct, thanks to a clever engineering revolution inside every power brick. We explain the tech and which devices ...
#2268: The Universal Power Cord's Quiet Masterpiece
A deep dive into the humble IEC power cable—the C13 and C14 connectors. We explore the history, physics, and surprising engineering that makes this...
#2256: One Charger to Rule Them All? Almost.
Drowning in chargers? We break down the specs for a single, powerful desktop charging station that can handle laptops, phones, and more—and where t...
#2252: Why Lithium-Ion Won (And What's Next)
How the physics of lithium made it the king of batteries, and the engineering breakthroughs—from silicon anodes to solid-state cells—that are pushi...
#2236: Metal at Forty Thousand Feet
Could 1903 metallurgy have built a plane to fly at 40,000 feet? The answer reveals how materials science, not aerodynamics, was aviation's deepest ...
#2235: What IP68 Actually Means (And Doesn't)
IP ratings, MIL-STD-810, drop tests—consumer gear is covered in durability labels. But what do they actually guarantee?
#2106: The Silicon Shock: Inside the 2026 Hardware Supply Chain
AI is hoarding all the chips, and your smart toaster is stuck in line. Here’s why the hardware supply chain is breaking down.
#2101: Why Cheap Solar Chargers Fail Your Phone
Cheap solar chargers often fail to charge devices due to USB-C handshake issues and heat inefficiencies.
#2079: PLCs: The Grey Boxes Running the World
Why factories still run on ladder logic, VxWorks, and rugged grey boxes instead of cloud servers.
#1988: Will Glass Storage Save Us From the Data Deluge?
Quartz glass promises 10,000-year data storage, but can it scale before 180 zettabytes make it obsolete?
#1983: Why Your Digital Photos Are Slowly Disappearing
Physical paper from the 1700s is more durable than a Word doc from 1994. Here's why digital data is fragile and how archivists fight bit rot.
#1978: The Coffee Mug That Screams at Satellites
From 98% false alarms to pinpoint rescue: how a tiny plastic device saves lives across oceans and mountains.
#1975: Weather Balloons: The 100-Year-Old Tech Powering Modern Forecasting
Why we still launch 1,000 balloons daily into the stratosphere—and why satellites can't replace them.
#1960: How Microscopic Blinds Hide Your Screen
A coffee shop glance reveals a black slab, not your data. Discover the microscopic Venetian blinds making it possible.
#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.
#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.
#1875: Why TOSLINK Beats USB for Noisy Mini PCs
Is optical really better than USB? We break down the noise, jitter, and bandwidth trade-offs in your home audio setup.
#1873: Your Gadgets Are Screaming at Each Other
Every electronic device is broadcasting invisible noise. Here’s how engineers build cages to keep the chaos from crashing your gadgets.
#1821: The Quantum Computer Inside the Giant White Thermos
Crack open a quantum computer and you won't find a CPU—just a gold-plated chandelier inside a giant white thermos.
#1820: Renting vs. Owning GPUs: The Break-Even Math
Is it cheaper to rent serverless GPUs or buy your own hardware? We break down the math on utilization, depreciation, and hidden costs.
#1806: Why Mac Minis Are Eating AI's Hardware Race
Apple Silicon's unified memory is crushing traditional GPUs for local LLMs. Here's why the M4 Mac Mini is the new king of affordable AI hardware.
#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.
#1797: Why the Cloud Runs on Cassette Tapes
The cloud isn't just hard drives—it's millions of robotic cassette tapes holding petabytes of data for Google and NASA.
#1776: The 80,000-Mile Backup Anxiety
Is your backup strategy a responsible habit or a full-blown compulsion? We explore the thin line between data safety and digital hoarding.