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249 episodes

#5810: Standoffs, Anchors, and the Outlet Behind the Whiteboard

A missing whiteboard, a metal-stud surprise, and the thread mismatch that turns one fastener into two.

diyhardware-engineeringhome-safety

#5789: Build First, Ask Later: Hermits Who Dug Cathedrals

No permits, no blueprints, no training. Two categories of builders who did the unreasonable — and what they share.

diyhardware-engineeringmonotropism

#5784: The Cheap Knife That Lies to You

Why a cheap sharp knife is worse than a dull one, and how to pick tools for stripping cable without nicking a conductor.

diyergonomicsprecision-engineering

#5781: Measuring Keyhole Spacing: Why the Tool You Want Doesn't Exist

A digital slider that reads millimeters? It's actually two tools — and for keyhole spacing, the right answer might be no measurement at all.

diyusabilityhome-safety

#5780: Why Keyhole Slots Never Line Up

Keyhole slots are on everything and standardized on nothing. Here's why the spacing never matches and which screw actually works.

diyhardware-standardsergonomics

#5779: Tunnel Girl Dug 80 Feet Under Her House

No engineering degree, two books, and ten dead jackhammers. How one woman dug an 80-foot tunnel under her Virginia house — and got it permitted.

structural-engineeringdiyurban-planning

#5707: Epoxy vs Superglue: The Tooling Gap Nobody Talks About

Epoxy beats superglue on every measurable axis — so why does everyone still grab the tube? The answer is metering, and the tools that fix it.

material-sciencediyhardware-engineering

#5704: Superglue: One Drop, Two Reactions, Five Mistakes

One part, no mixing, seconds to set — and most of us have been using it wrong since we were nine.

material-sciencediyright-to-repair

#5676: DIY Cable Guide: Barrel Jacks, XLR, and What to Avoid

Soldering your own cables won't save money — it buys exact-length runs. But some connectors hide polarity traps and tooling costs.

diyaudio-hardwareelectronics

#5675: Wiring a UK Plug: Copper, Tools, and the 1mm Rule

How much copper should show on a UK plug? Why one stray strand matters, and the flush cutter that beats electrician's scissors.

diyelectrical-engineeringhome-safety

#5655: Organizing the Electronics Repair Bench

Why phone repair benches resist order, and the trays, lights, and magnification that fix it.

ergonomicselectronicsdiy

#5645: Who Teaches You to Fix Your Own Home?

Wiring a plug but never welding metal — why hands-on skills have holes, and what a real DIY curriculum would cover.

diyright-to-repairhome-safety

#5635: Why Your VHB Tape Keeps Falling Off the Wall

VHB tape is a viscoelastic acrylic foam, not glue — and it fails on dirty grout, cold tile, and no roll-down pressure, not on bad tape.

material-sciencediyadhesives

#5610: Magnetizing Screwdrivers: Do the Cycles Wear Out?

Can a screwdriver be magnetized forever, or does the magnetism wear out? A deep dive into magnetizer blocks, coils, and demagnetization.

hardware-reliabilitymaterial-sciencediy

#5579: Cutting Things With a Dremel: What Actually Works

Cut-off wheels vs cutting bits, RPM by material, and why lateral cutting is fine with the right attachment and fatal with the wrong one.

diyhardware-engineeringprecision-engineering

#5541: Re-terminating a Keystone Jack After a Bad Ethernet Run

A DIY Ethernet run came up at 80 Mbps on 2.5G fiber. Here's what went wrong and whether re-termination is a skill worth learning.

diynetworkinghardware-engineering

#5529: 15 Forgotten Hardware Parts Your DIY Kit Needs

A 64-drawer parts bin reveals why you keep buying the same screws twice — and the 15 fasteners worth actually stocking.

diyhardware-standardssupply-chain

#5516: Wall Anchors: Why Your Holes Keep Failing

Nylon anchors don't fill gaps — they multiply grip. Here's what actually works when your hole is compromised.

diyhardware-engineeringmaterial-science

#5514: Drilling Concrete: Jigs, Anchors, and Fidelity

Why your hammer drill wanders off mark, which wall-capable jigs actually grip, and how to match drill bits to anchors.

diyhardware-engineeringprecision-engineering

#5513: Why Phone Mounts Fail (And What Doesn't)

Suction cups, vent clips, and magnets all fail at the same point. Here's what heavy-duty mounting actually looks like.

diyhuman-factorsergonomics

#5376: Why a Zello Pager Wearable Doesn't Exist Yet

Pagers blink until acknowledged. Zello beeps until you tap. But nobody's shipped the wearable that bridges them.

hardware-engineeringdiyopen-source

#5372: 10 Power Tools, Ranked by What to Buy First

A purchasing sequence, not a wish list: the 10 power tools a homeowner should own, in the order you should actually buy them.

diyhome-safetyergonomics

#5371: Corded vs Cordless Jigsaws: What Actually Matters

Amps and SPM are the least predictive specs on the box. Here's what actually determines whether a jigsaw cuts square.

diyhardware-engineeringergonomics

#5366: Packing a Medic Belt: TQ First, Then Everything Else

Tourniquet at ten o'clock, radio at four. How medics build a belt kit that works in seconds — and what goes in a reduced version for non-medics.

emergency-preparednessfirst-aiddiy