Welding: Easy NO-RUST Feet! Umbrella Stand Upgrades
Guide | 1 months ago
Let's revisit the umbrella stand welding project to make a significant upgrade. The original umbrella stand works well, but its plain steel feet can leave rust marks if the protective brass washers detach. We will see how to easily replace those original fe...
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Crystal Radio: Mods Needed For Antique Headphones
Guide | 1 months ago
Looking to get the absolute best audio quality out of your crystal radio or passive receiver? In this video, we test antique SG Brown high-impedance headphones, comparing their performance directly against modern piezoelectric earphones and inductive hearin...
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Crystal Radio: DIY Antique Earphone Replica
Guide | 2 months ago
This is a low cost alternative for a more authentic look and feel to early radio builds. It utilizes a low cost, readily available electro-magnetic sound element. Let's see how to build it. Antique crystal radio headphones and single-ear receivers are rare ...
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Solar: Hot Water Heater. Yes Or No?
Review | 2 months ago
We bought our retirement house. It came with both solar electric and solar hot water. Solar electric has worked great on our current home, so I'm not worried about that. But what about solar hot water? Is it worth it? We take a close look at a solar hot wat...
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Crystal Radio: Antique SG Brown Headphone Cable Replacement
Guide | 2 months ago
In the last video on SG Brown antique headphones, we found the cable was falling apart. This time, let's replace those. These headphones were commonly used with crystal radios and other early radio receivers. Let's look at a suitable replacement cable, pres...
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Elec: Tech Advances & Firms Fight It
Video | 2 months ago
A different type of light bulb conspiracy? This strange light tube is NOT fluorescent and it existed decades before LEDs? Let's look at one of the rarest lighting technologies most people have never seen: a double-ended incandescent light tube by companies ...
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Crystal Radio: AM-FM That's NOT A Crystal Radio (But Still Interesting)
Video | 2 months ago
This was advertised online as a "crystal radio", so of course I had to get it. It's NOT a crystal radio, OK, there is **technically** a crystal, but.... It IS a very small AM-FM radio with good reception on the FM band (not so much on the AM, but we will tr...
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Emergency Plastic Bolt Repair-Toilet Float
Video | 2 months ago
Woke up to a running toilet. Stores weren't open. Turns out parts won't be available for maybe months! Sometimes we need those "impossible" repairs in a hurry. The threaded plastic "bolt" on the float had broken off. Here's my fix, maybe something you can u...
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Elec: Poor Electronic Design Example. Plant Auto-Waterer
Guide | 3 months ago
Let's tear down a cheap automatic plant watering system to see why it's a poor design. We walk through how this popular soil moisture sensor (exposed copper traces on a PCB) fails from electrolysis and corrosion. It's short-lived and potentially unsafe for ...
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DIY: Telescoping Ladder: Dangerous Design Flaws You Need to Know!
Review | 3 months ago
Are telescoping ladders really safe? We look at a stainless steel telescoping ladder and find some serious engineering and safety concerns, that every potential user should understand before trusting one. From twisting side rails, to questionable locking la...
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Cormorant: Hand Held Video-Wild Cormorant Fishing (raw, no music)
Video | 3 months ago
Let's watch a cormorant hunting in a lotus pond in SE Asia. No narration, no music. Cormorants are aquatic birds found throughout much of the world in coastal regions, rivers, lakes, marshes, and inland wetlands. Members of the family Phalacrocoracidae, the...
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Elec: PIR Infrared Motion Detectors-Easy To Use!
Guide | 3 months ago
Let's look at how simple PIR (Passive Infrared) motion detectors are in this demo. We will look at a few low-cost PIR modules, compare electronic and relay-equipped versions, and show the wire, power, configuration for my DIY applications. We will see the v...
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