Uploads from Technology Connections
230 videos · Technology Connections
- Nobody understands the point of hybrid cars
- The disappearing and unappreciated art of audible alerts
- Oil pressure is the only thing keeping an engine alive
- You are being misled about renewable energy technology.
- I made my whole-home humidifier slightly less terrifying
- It's the Christmas light video again - 2025 edition
- My car charger can boil water really fast
- This cassette player is built into an 8-track cartridge
- I was right about dishwasher pods, and now I can prove it
- Video projectors used to be ridiculously cool
- Catalytic converters are simple, but getting them to work is not
- Desiccant dehumidifiers are fascinating... but not for everyone
- VHS-C: a lazy idea that's also perfect
- Induction lamps: fluorescent lighting's final form
- The "standard" car charger is usually overkill—but your electrician might not know that
- Closed captions on DVDs are getting left behind
- Dehumidifiers are confusing. Here's why.
- Power is not energy: why the difference matters
- Algorithms are breaking how we think
- The clever feature that makes cheap heaters safe — and why they're actually dangerous
- I tricked my car charging station into powering a 7.5 kW heater
- LED Christmas lights which don't hurt the eyes: it finally happened!
- How much thrust does a ceiling fan produce?
- Balafire: when a light bulb goes wild
- Air fryers are simpler than you think, but still pretty neat
- I bought a freeze dryer so you don't have to
- MP3 CDs: a hybrid "format" that never existed, yet was surprisingly common
- Duracell PowerCheck: A genius idea which didn't last that long
- Thermoelectric cooling: it's not great.
- Induction cooking - but what about woks?
- Door closers: ubiquitous, yet unloved and often maladjusted
- Passive infrared motion sensors: a two-bit camera powered by crystals
- Awnings: a simple cooling tech we apparently forgot about
- The Numitron: An obvious idea that wasn't very bright
- Your dishwasher is better than you think (tips, tricks, and how they work)
- Tilting, taking turns, and winning free games: the many tricks inside old pinball machines
- The simple, clever sensor behind automatic windshield wipers
- Simmerstats: The genius old tech that controls your stovetop
- Bright from the Start: GE's CFL with an incandescent trick up its sleeve
- Old HVAC industry practices are holding us back and costing us money. But we can fix it.
- Flash photography used to be pretty wild
- The step-by-step, mechanical logic of old pinball machines
- LED Christmas lights still annoy me. Let's try some more fixes.
- What's the deal with the popcorn button?
- The Clapper: Yes, that one.
- Back-up beepers: Obnoxious, but getting better - and spreading!
- Old pinball machines are amazingly complex
- Power outlets are topsy turvy - but does it matter?
- Photoelectric light controls are weirder than they seem
- Tesla won the plug war - and that's good news!
- Longer-lasting light bulbs: it was complicated
- This goofy fridge has a really clever design. It's also kinda terrible.
- Digital audio needed videotape to be possible - and the early days were wild!
- Electric cars prove we need to rethink brake lights
- Sony Betacam: Not the Beta you're thinking of (it's way better)
- Contactors: how we power the big stuff
- Plug-n-play solutions for home electrification, and options for power outages (Part 2)
- How do vinyl records hold stereo sound?
- Home Electrification: There's not a lot to do, and it doesn't have to be hard (Part 1)
- A simple water heater is more clever than it seems
- Timer switches: literally just a clock and a switch
- Movies made sound with a light bulb: Sound-on-film
- The decorative lamp that's built wrong on purpose
- In Defense of the Switched Outlet
- The clever camera code on rolls of film
- This TV gadget censors bad words with 1980's tech
- Old car headlights were all the same — which was a fairly bright idea
- This 1960's camera is powered by light and completely automatic
- A Complete Beginner's Guide to Electric Vehicles
- Drip Coffee Makers — super simple, super cheap
- The correcting feature of typewriters is not what I thought
- There are two types of smoke alarm. One of 'em ain't so good.
- Is Philips discontinuing their coolest warmest product?
- Why don't Americans use electric kettles?
- The tech which can charge an electric car in 10 minutes
- The Autochrome; Color photos? Just add potatoes.
- Heat Pumps are Not Hard: Here's what it will take to start pumping
- Why Heat Pumps are Immensely Important Right Now
- A troubling trend in lighting?
- Lessons from a Can Opener
- A Backwards Camera in a Dark Room - Photographic Printing
- Once again I attempt to add polish to LED holiday lights
- This digital piano has some very clever controls
- Making Film Reveal its Image: the B&W Development Process (Photography Part 2)
- The Birth of Photography: Drawing With Light (and silver iodide)
- Holey Plugs, Batman! But... what are they for?
- Introducing a new series! Connextras: Sights and Sounds
- I messed up. You're using too much detergent.
- Why it's not possible to synchronize turn signals (but also absolutely is)
- Pressure lamps: gaslighting on the go
- Batteries aren't the only way to store energy. Here's another.
- How the gas mantle made lamps 10X brighter
- Why do hurricane lanterns look like that?
- Perhaps the weakest link in the US electrical system
- What the Crookes Radiometer can teach us
- Analog Hygrometers - how?
- These digital clocks aren't digital at all
- Ground Source / Geothermal Heat Pumps and Other Info
- In Defense of the CFL: A Retrospective
- Heat Pumps: the Future of Home Heating