Switches are Clicky; Here's Why

  • Published: 12 August 2019
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    Click clack I was taken aback. Wonderin’ ‘bout those switches of light, yeah.
    Let’s find out what the point is of all that clacking, shall we?

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  • Science and Technology Science and Technology

Comments • 4 345

  • Chris Lore
    Chris Lore  33 minutes back

    So, I have some really crappy worn out rocker-style switches in my walls, are these a fire hazard if they aren't very clicky anymore!?

    • Bill A
      Bill A  2 hours back

      Love the old skool Ektachrome T-shirt in this digital world. ;)

      • 200odd300
        200odd300  9 hours back

        11:55 oops I've slowly moved the switch like that and I can hear cracking sounds coming from inside the switch

        • Rob Ludlow
          Rob Ludlow  11 hours back

          Wow, this was brilliant! Answered so many questions I had... and ones I didn't even know I had yet!

          • guntur pasopati pamungkas

            Tq, now i understand why my steaker got burn :|
            The arch is serious problem :|

            • Robert Zin
              Robert Zin  14 hours back

              To bad you can't get truly silant Mercury switches anymore

              • Ks Ss
                Ks Ss  14 hours back

                Awesome. Incidentally, debouncing is a PIA.

                • zalex820
                  zalex820  15 hours back

                  5:24 Wrong information... It's not "120 times a second" in the US we operate @ 60 Hz and that's 120 volts @ 60 Hz = 60 times a second. As the sine wave passes 0 60 times.

                  • Peter B
                    Peter B  15 hours back

                    I have a clicky house with a clicky switch
                    Clicky is the sound of all that I hear
                    Clicky are the streets and all the trees are too
                    I have a girlfriend and she is so clicky
                    Clicky are the people here that walk around
                    Clicky like my Corvette, it's in and outside
                    Clicky are the words I say and what I think
                    Clicky are the feelings that live inside me

                    • Sean -Chesthole- Osman
                      Sean -Chesthole- Osman  16 hours back

                      Speaking of power lines, do you know what the orange balls sometimes hanging off of power lines do? Are they put there so that the lines don't constructively interfere with themselves and shake themselves loose?

                      • Sean -Chesthole- Osman
                        Sean -Chesthole- Osman  16 hours back

                        If only there was an easily searchable network of computers that contain the world's information. Oh wait. Google says they were put there so that airplanes don't run in to them. Insiders call them marker balls. Lame.

                    • Cabbage_Man123
                      Cabbage_Man123  19 hours back

                      My laptop start button dosent flick,will it fry itself?

                      • Barbaravus
                        Barbaravus  20 hours back

                        You look like Robbie Rotten if he didn't dress like he was in a cartoon.

                        • A Person
                          A Person  21 hours back

                          half a megasub nice

                          • Herping Science and more
                            Herping Science and more  23 hours back

                            5:25 in the US it crosses the zero. 60 times every Second the voltage is 120

                            • blue night
                              blue night  24 hours back

                              12:05 ty I think that's what's wrong with our basement light switch

                              • User M
                                User M  1 days back

                                You should do an episode on the Mac keyboard that doesn’t move, but uses the Tactile Engine to trick people into thinking it’s clicking!

                                • Dean C
                                  Dean C  1 days back

                                  Nobody else REALLY love the subtly different noises that different switches make?

                                  • Dr.Sloth Sapper
                                    Dr.Sloth Sapper  1 days back

                                    Topsy Knew live wires where dangerous.

                                    • Maxwell Lambert
                                      Maxwell Lambert  2 days back

                                      so is it bad to wire switches in series?

                                      • Spicy Media
                                        Spicy Media  2 days back

                                        You may believe UK plugs are completely safe... but then I would guess you've never stepped on one barefoot by accident!

                                        • Endri Qeriqi
                                          Endri Qeriqi  2 days back

                                          One reason I clicks is because the plastic is coming together and makes a sound. Problem sloved

                                          • RobotZer0
                                            RobotZer0  2 days back

                                            12:55 contactors unlike relays contain additional mechanisms for arc suppression

                                            • Blazer02LS
                                              Blazer02LS  2 days back

                                              Basically the same technology that is used in the buckling spring contacts in the IBM keyboards. No mention of quiet mercury switches?

                                              • Watch my vid: Sad! By XXXTENTACION

                                                Next video: *_Why doesn’t the sun make a click when it turns day time_*

                                                • Watch my vid: Sad! By XXXTENTACION

                                                  Next Video: *_Why do cars make sound when you turn it on_*

                                                  • Spanky2k
                                                    Spanky2k  2 days back

                                                    Where are the "1500 WATTS TO BE EXACT" merch shirts? :P

                                                    • Sairadinn Michaelis
                                                      Sairadinn Michaelis  2 days back

                                                      Oh man. Watching this video has made me cringe on my past child self. Back when I was 8 or so I used to put the switches in the half state because I enjoyed the crackling noise. The amount of life I needlessly ripped from the switches is unthinkable.

                                                      • Sam McInturff
                                                        Sam McInturff  2 days back

                                                        Damn, that was really informative :)

                                                        • weakamna
                                                          weakamna  2 days back

                                                          The perspective and darkness on the stock footage at 4:21 makes it look like the electrical towers are sinking into the ground O.o

                                                          • Dino Dan
                                                            Dino Dan  2 days back

                                                            It took 15 minutes to explain why switches click, when it’s only a 30 second job 😭 the rest of this was just very very basic information on electronics :/

                                                            • thekerbal
                                                              thekerbal  2 days back

                                                              What about the light switches which stay in one position and you press them to turn on and off (they make a clicking noise elsewhere and don’t feel clicky)

                                                              • Redstone Tech
                                                                Redstone Tech  3 days back

                                                                My house has many of the switches you described that were in the house you grew up in. I wondered why they were different lol

                                                                • Phi6er
                                                                  Phi6er  3 days back

                                                                  This is so satisfying.

                                                                  • João Felipe
                                                                    João Felipe  3 days back

                                                                    1:54 electroboom: yeah, suffer like i do.

                                                                    • Thomas Conrow
                                                                      Thomas Conrow  3 days back

                                                                      LOL The railroad "switch" that you showed was actually whats known as a "frog".

                                                                      • Ben Tice
                                                                        Ben Tice  3 days back

                                                                        Me @1:53: Hey those wires look really dangerous, he should be careful
                                                                        Me @1:55: JUDAS PRIEST ON A TWO STROKE MOPED

                                                                        • whydoievenbothertoputthishere

                                                                          Also Haptic feedback? super important when designing stuff like tools and other ape to tech appliances

                                                                          • kasperinac
                                                                            kasperinac  3 days back

                                                                            Even Tesla* knew that

                                                                            • Stoic Trainee
                                                                              Stoic Trainee  3 days back

                                                                              But why? Why be so clickyclacky all the time?

                                                                              • Calvin Breakwell
                                                                                Calvin Breakwell  3 days back

                                                                                Laughes in British

                                                                                • James Neave
                                                                                  James Neave  3 days back

                                                                                  "low household voltages"
                                                                                  _summons all the phases_


                                                                                  • Vidztory
                                                                                    Vidztory  3 days back

                                                                                    Uuugh! What have you done to me! Now whenever I walk into a room I flip the switch testing of it has a solid click!

                                                                                    So far it's 1 nice clicks to 2 not nice ones

                                                                                    *1 - 2*

                                                                                    • Novagunner
                                                                                      Novagunner  3 days back

                                                                                      Yea!? why so click clacky!?

                                                                                      • Emperor Jake
                                                                                        Emperor Jake  3 days back

                                                                                        Why are American switches upside down?

                                                                                        • Donald and Douglas
                                                                                          Donald and Douglas  3 days back


                                                                                          • X.Trigger Happy.X
                                                                                            X.Trigger Happy.X  4 days back

                                                                                            this made me go see of my room switch clicked

                                                                                            • Gigahertz4000
                                                                                              Gigahertz4000  4 days back

                                                                                              Awesome video thank you so much.

                                                                                              • Silver Legend
                                                                                                Silver Legend  4 days back

                                                                                                3:00 Try that unplugging trick with the heater running on DC!