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Technology Connections

233 videos · 0 shorts · once a month

50:37

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Engines haven't been fully mechanical in decades - and that's good!

58:45

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My water heater is cooler than yours

1:11:11

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Ceiling fans: the simple idea we keep screwing up

55:51

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Nobody understands the point of hybrid cars

24:11

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The disappearing and unappreciated art of audible alerts

54:46

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Oil pressure is the only thing keeping an engine alive

1:32:00

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You are being misled about renewable energy technology.

34:39

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I made my whole-home humidifier slightly less terrifying

33:48

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It's the Christmas light video again - 2025 edition

23:16

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My car charger can boil water really fast

27:28

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This cassette player is built into an 8-track cartridge

41:27

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I was right about dishwasher pods, and now I can prove it

34:40

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Video projectors used to be ridiculously cool

41:47

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Catalytic converters are simple, but getting them to work is not

29:20

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Desiccant dehumidifiers are fascinating... but not for everyone

32:37

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VHS-C: a lazy idea that's also perfect

30:06

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Induction lamps: fluorescent lighting's final form

32:27

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The "standard" car charger is usually overkill—but your electrician might not know that

33:47

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Closed captions on DVDs are getting left behind

51:34

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Dehumidifiers are confusing. Here's why.

52:22

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Power is not energy: why the difference matters

37:52

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Algorithms are breaking how we think

28:56

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The clever feature that makes cheap heaters safe — and why they're actually dangerous

33:11

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I tricked my car charging station into powering a 7.5 kW heater

24:51

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LED Christmas lights which don't hurt the eyes: it finally happened!

11:58

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How much thrust does a ceiling fan produce?

11:40

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Balafire: when a light bulb goes wild

19:39

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Air fryers are simpler than you think, but still pretty neat

1:00:15

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I bought a freeze dryer so you don't have to

34:18

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MP3 CDs: a hybrid "format" that never existed, yet was surprisingly common

16:13

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Duracell PowerCheck: A genius idea which didn't last that long

32:51

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Thermoelectric cooling: it's not great.

20:37

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Induction cooking - but what about woks?

23:39

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Door closers: ubiquitous, yet unloved and often maladjusted

16:13

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Passive infrared motion sensors: a two-bit camera powered by crystals

22:15

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Awnings: a simple cooling tech we apparently forgot about

23:21

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The Numitron: An obvious idea that wasn't very bright

27:47

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Your dishwasher is better than you think (tips, tricks, and how they work)

47:40

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Tilting, taking turns, and winning free games: the many tricks inside old pinball machines

11:18

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The simple, clever sensor behind automatic windshield wipers

36:31

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Simmerstats: The genius old tech that controls your stovetop

27:59

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Bright from the Start: GE's CFL with an incandescent trick up its sleeve

1:02:18

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Old HVAC industry practices are holding us back and costing us money. But we can fix it.

33:53

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Flash photography used to be pretty wild

43:00

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The step-by-step, mechanical logic of old pinball machines

19:22

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LED Christmas lights still annoy me. Let's try some more fixes.

13:51

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What's the deal with the popcorn button?

12:41

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The Clapper: Yes, that one.

24:39

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Back-up beepers: Obnoxious, but getting better - and spreading!

50:09

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Old pinball machines are amazingly complex

18:40

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Power outlets are topsy turvy - but does it matter?

19:20

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Photoelectric light controls are weirder than they seem

48:39

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Tesla won the plug war - and that's good news!

33:33

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Longer-lasting light bulbs: it was complicated

1:03:33

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This goofy fridge has a really clever design. It's also kinda terrible.

36:27

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Digital audio needed videotape to be possible - and the early days were wild!

29:43

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Electric cars prove we need to rethink brake lights

40:44

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Sony Betacam: Not the Beta you're thinking of (it's way better)

25:50

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Contactors: how we power the big stuff

40:50

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Plug-n-play solutions for home electrification, and options for power outages (Part 2)

17:37

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How do vinyl records hold stereo sound?

31:54

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Home Electrification: There's not a lot to do, and it doesn't have to be hard (Part 1)

22:52

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A simple water heater is more clever than it seems

16:36

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Timer switches: literally just a clock and a switch

39:03

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Movies made sound with a light bulb: Sound-on-film

17:41

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The decorative lamp that's built wrong on purpose

15:54

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In Defense of the Switched Outlet

16:54

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The clever camera code on rolls of film

24:27

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This TV gadget censors bad words with 1980's tech

25:21

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Old car headlights were all the same — which was a fairly bright idea

25:11

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This 1960's camera is powered by light and completely automatic

57:50

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A Complete Beginner's Guide to Electric Vehicles

36:29

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Drip Coffee Makers — super simple, super cheap

20:39

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The correcting feature of typewriters is not what I thought

24:56

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There are two types of smoke alarm. One of 'em ain't so good.

21:27

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Is Philips discontinuing their coolest warmest product?

24:55

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Why don't Americans use electric kettles?

29:57

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The tech which can charge an electric car in 10 minutes

26:33

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The Autochrome; Color photos? Just add potatoes.

46:33

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Heat Pumps are Not Hard: Here's what it will take to start pumping

21:03

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Why Heat Pumps are Immensely Important Right Now

30:03

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A troubling trend in lighting?

21:48

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Lessons from a Can Opener

40:28

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A Backwards Camera in a Dark Room - Photographic Printing

16:47

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Once again I attempt to add polish to LED holiday lights

17:28

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This digital piano has some very clever controls

27:02

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Making Film Reveal its Image: the B&W Development Process (Photography Part 2)

37:16

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The Birth of Photography: Drawing With Light (and silver iodide)

20:32

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Holey Plugs, Batman! But... what are they for?

4:07

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Introducing a new series! Connextras: Sights and Sounds

48:25

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I messed up. You're using too much detergent.

37:16

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Why it's not possible to synchronize turn signals (but also absolutely is)

30:48

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Pressure lamps: gaslighting on the go

24:26

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Batteries aren't the only way to store energy. Here's another.

29:08

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How the gas mantle made lamps 10X brighter

31:46

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Why do hurricane lanterns look like that?

25:48

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Perhaps the weakest link in the US electrical system

25:48

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What the Crookes Radiometer can teach us

9:36

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Analog Hygrometers - how?

18:28

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These digital clocks aren't digital at all