Technology

Hardware, software, networking, and development

500 episodes 6 topics RSS Feed

The nuts and bolts of the digital world. Whether it's building a home lab, debugging Linux on the desktop, untangling networking nightmares, or figuring out why that Docker container won't start, this channel covers the hands-on side of technology that keeps everything running.

#2834: What AAL3 Government MFA Actually Looks Like

PIN + smart card + biometric + behavioral checks. The real security stack behind federal authentication.

hardware-engineeringcybersecurityzero-trust

#2831: What VPNs Still Protect After HTTPS

HTTPS encrypts your content but leaves your metadata exposed. Here's what a VPN still protects.

vpnnetwork-securityprivacy

#2827: Why People Still Pay for SSL Certificates

Free DV certificates are everywhere, yet paid SSL still thrives. Here’s what commercial CAs actually provide that free ones don’t.

cybersecuritydigital-identityenterprise-hardware

#2823: Video on Static Sites: When to Use a Platform

Mux, Cloudflare Stream, or Bunny Stream? When to stop serving MP4s and start using a purpose-built video platform.

video-generationadaptive-bitrate-streamingvideo-hosting-platforms

#2822: Serverless E-Commerce: Medusa, Saleor, and Vendure

Three open-source headless commerce engines that make serverless e-commerce actually viable.

serverless-gpuapi-integrationopen-source

#2821: How to Build a Local Intercom with Zigbee and Snapcast

Three engineering problems in a trench coat. Make Zigbee sirens, Snapcast speakers, and push-to-talk audio actually work together.

zigbeesmart-homeaudio-engineering

#2818: U-174 Connectors: From NATO Specs to Your Desk

The chunky military connectors in control centers aren't USB. Here's what they are, and how to use them on a laptop.

audio-engineeringdiyhardware-engineering

#2817: How to Add Marketing Email Without Breaking Gmail

Keep your Gmail working while adding SendGrid or Resend. The subdomain trick saves your inbox.

dnsemail-securityspf

#2815: Free Cloudflare WAF: Is It Enough for Self-Hosting?

Skip Cloudflare Access and lock down Home Assistant with just the free WAF rules. Here's how.

network-securitysmart-homeself-hosting

#2814: HTTP Redirects: 301, 308, and When to Use Each

301 isn't always the right choice. Learn the real differences between redirect codes and where to put them.

networkinghttp-redirectscloudflare-edge

#2812: Product Spec APIs and the Israel SKU Puzzle

Is there an API for product specs? Yes, but it's built for engineers, not homeowners — and Israel SKUs make it harder.

supply-chainhardware-engineeringopen-source

#2811: Cloudflare's Endgame: From CDN to Cloud Platform

How a spam-tracking side project became the CDN that's quietly building a new kind of cloud.

edge-computingserverless-gpucloud-computing

#2806: DNS Record Types: CNAME vs A Records Explained

Why CNAMEs can't live at the apex, how flattening works, and modern DNS best practices.

networkinginfrastructuredns-record-types

#2802: The Tea Standard and 9 Other Weird ISO Rules

Ten hyper-specific international standards that make you question what humanity does with its collective time.

ergonomicskeyboard-layoutstaxonomy

#2800: The Two Meanings of Industrial Design

Industrial design is a profession. The "industrial look" is something else entirely. Here's where they split.

industrial-automationhardware-engineeringsupply-chain

#2799: Where Should Your Images Actually Live?

WordPress to static sites: where do images & videos go? Repo, object storage, or CDN — and when to move up the chain.

backup-strategiesserverless-architectureimage-hosting

#2794: Build the Perfect Electronics Workbench in a Small Space

Chair first, then bench, then lighting. How to build a frustration-free electronics workstation in 60 square meters.

electronicsergonomicshardware-engineering

#2791: How to Pick a Marker That Actually Stays On

Why do “permanent” markers fail on plastic? The answer is polymer chemistry, not bad luck.

diymaterial-sciencehome-lab

#2783: Can a DAP Cure Your Distraction Addiction?

A listener asks if anyone still makes a decent non-phone audio player. The answer is yes—with a few important caveats.

digital-detoxproductivityaudio-engineering

#2782: Are AI Data Centers Really New or Just Patched Together?

The real bottleneck isn't GPUs — it's power transformers. A look at the physics and economics of AI infrastructure.

infrastructuregpu-accelerationsustainability