It's a Bird, It's a Plane, It's... Oh Yep That's a Plane

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  • Dejay Rezme
    Dejay Rezme  23 minutes back

    I would have loved to hear more about hydrogen powered airplanes since that has very high energy density as well per weight. Either hydrogen jet engines or fuel cells for electric motors.
    I mean speed isn't everything.

    • Justin Hopkins
      Justin Hopkins  51 minutes back

      The lack of progress is really evident when you’re on a long haul flight and all you want to do is get home. Suddenly planes become very slow.

      • IAmKrazyKyle
        IAmKrazyKyle  4 hours back

        I am getting on a plane to Phoenix in like 6 hours for a doctoral interview. If I get in I will be living there Hank! Don't dash my dreams of living in Phoenix before it even happens! How rude lmao

        • Jerma uwu
          Jerma uwu  9 hours back

          imagen being the first dude known to hit the speed of sound. damn

          • saf dipo
            saf dipo  14 hours back

            737 max 8
            People: its a flying coffin!!!

            • Tim Sullivan
              Tim Sullivan  15 hours back

              Future hyper-sonic air travel sounds a bit too risky for me. So thanks, but I'll just wait for teleportation.

              • Gary Lee
                Gary Lee  1 days back

                Hank have you ever thought you need to go camping and do some bush crafting to get away from all the stress?

                • The Garden of Eatin
                  The Garden of Eatin  2 days back

                  I used to be a flight instructor. Then I went to A&P school. I haven't flown since and I don't suggest anyone else fly either. Let that wretched hive of scum and negligence die.

                  • Gary Lee
                    Gary Lee  2 days back

                    I know someone that used to be a general mech. at IBP that went to work at Delta. I wouldn't even walk within 50 ft. of a Delta flight.Now I work at Owens Corning and I know people from both IBP and OC  that went to work at Pantex (only assembly/disassembly plant for all the nukes made in the country) now I'm looking at moving to Alaska to retire.

                • Gabriel Martins
                  Gabriel Martins  2 days back

                  ALBERTO SANTOS-DUMONT CREATED THE AEROPLANE

                  • Existenceisillusion
                    Existenceisillusion  2 days back

                    This Arizonan says 'Don't sweat it Hank' 😂

                    • Albert Zne
                      Albert Zne  2 days back

                      20:48 Whats an X-72?

                      • Max Deler
                        Max Deler  2 days back

                        Make jet fuel from air + energy, such as solar, wind or nuclear. Make use of that duck curve waste! Virtually zero carbon with the bonus that existing engines and infrastructure can be used. Can also be used in turbines for peak plants

                        • Craig Mooring
                          Craig Mooring  2 days back

                          Not that it makes any difference to the point you were making about the noise problems associated with supersonic flight, but New York to London was not the only route the Concorde flew. I know from personal experience they also flew from D.C. to London, and I think there were other such routes that were almost totally over water at the end points.

                          • joseph williamson
                            joseph williamson  2 days back

                            You need more Micheal Aranda,Hank! Guys got the voice of an angel, even though we all enjoy how excited you get when something cool happens in the Physics world haha

                            • TMB247
                              TMB247  2 days back

                              What a Letdown ... not good

                              • Bo Reed
                                Bo Reed  2 days back

                                Hay we already have sci show air conditioner cold soda its heaven in hell i mean Phoenix

                                • WarNock07
                                  WarNock07  2 days back

                                  By the mid 70s we were flying R/C gliders with curved wingtips. It didn't seem to matter if they were curved up or down. But they were flying at very low speeds. Still the tips helped. I built one and left the tips off for a set of flights before putting them on. Was able to 10-20% longer flight times with them on.

                                  • AnimeHair
                                    AnimeHair  3 days back

                                    22:04 "Even though other types of electric vehicles are taking off- haha."

                                    Me, 3 seconds later: HAHA.

                                    • mondObelisk
                                      mondObelisk  3 days back

                                      Thank you! I've been flying a lot lately and usually fly right arouns the wing, and have been super curious about those flappy wing things.

                                      • infinitecanadian
                                        infinitecanadian  3 days back

                                        Most modern day aeroplanes actually don't have winglets; these are mainly found on airliners and cargo planes.

                                        • I wantAvote
                                          I wantAvote  3 days back

                                          Oh, these guys came so close to exposing the truth however never do/did disclose the full story.
                                          Although, 50mSv sounds like a safe number especially when compared to the 3mSv we are exposed to in everyday living. This exposure to 3mSv every day is the result of industrial air pollution.
                                          In addition, they would have you believe, a risk of cancer is only "thought to increase" with exposure to

                                          50 mSv annually but cancer is a real risked with any exposure to any/every  fraction of a single mSv daily.

                                          Whomever paid these guys to promote such ideas should be jailed.



                                          The idea you shouldn’t “really” worry, maybe not really worry but yes
                                          you should worry and become cautious/educated about your particular exposure patterns.

                                          – is it dangerous, well you "probably don’t really” have a reason to worry; yes
                                          there is a reason to worry

                                          – going over 1 mSV isn’t “really dangerous” however again never explaining the full risk of exposure to a

                                          single energetic ionized particle might "really" cause cancer.

                                          Do NOT believe anything in this video it is created to mislead/fool you. Do NOT believe info from strangers unless or until someone you trust provides you with a very good reason to trust any news, science and information sources.

                                          The video above is probably a tump university production

                                          • Boris
                                            Boris  3 days back

                                            *Happy IFMHW noises! *

                                            • Erick Gouw
                                              Erick Gouw  3 days back

                                              Plastic Fly Swatter Neon 1 swatter
                                              https://www.youtube.com/watch?v=NXRxReDjh9g

                                              • Greg Jensen
                                                Greg Jensen  3 days back

                                                @2:54 I've been told (by aircraft maintenance people) it's more about room to maneuver on the ground at airports than structure. Winglets add the same weight penalty as extending the wingspan. You don't have to add structure to hold a wing up. The structure is there to hold the fuselage up.

                                                • BabakoSen
                                                  BabakoSen  3 days back

                                                  Had no idea Hank was from Florida! Florida survivors unite!

                                                  • Practice Positive Progress

                                                    Hey scishow, I should probs be able to tell from the length but id love if y'all marked your compalation vids in the title

                                                    • Roland Lawrence
                                                      Roland Lawrence  3 days back

                                                      or do you mean airplane or aeroplane? a "plane" is just a geometric definition.

                                                      • Argamis (SilverComet)
                                                        Argamis (SilverComet)  3 days back

                                                        6 MILLON Subscribers!

                                                        • devzer0
                                                          devzer0  3 days back

                                                          The discussion of hypersonics had sufficient caveats and details to satisfy me. This is the area of my PhD research. My biggest pet-peev is the definition of hypersonic as anything above Mach 5, but you guys did a decent job adding a caveat and talking about how it's really about temperature. The metric that determines whether or not something becomes hypersonic is whether or not the air (or other working gas, say if you're on a different planet, like Mars) gets so hot that the gas molecules start to get excited in ways that they normally don't at lower temperatures (i.e., vibrational excitation and possibly electronic excitation) or start to chemically react or break down. The important metric for this is called "Total Temperature" AKA "Stagnation Temperature". This quantity is derived from the energy equation and is really just a different way of expressing the total enthalpy of the flow. Total enthalpy is the internal energy (temperature) plus the gas' stored ability to do work (pressure, basically) plus the kinetic energy. This total enthalpy is a conserved quantity so if the kinetic energy goes to zero and you extract as much pressure work as you can from the gas, you'll be left with only internal energy (heat causing a temperature rise). And this temperature determines whether the air/gas molecules start behaving in a way where their internal energy is no longer stored in just rotation and translation (bouncing off other gas molecules) but may also include the length of the chemical bonds vibrating or knocking electrons into higher energy orbitals or even causing molecules like N2 and O2 to dissociate and undergo other chemical reactions. The total temperature or stagnation temperature describes how hot the flow is capable of getting. And if it can get hot enough to cause these other modes of internal energy to become important or dissociation, then the flow is hypersonic. It is completely possible to create Mach 10 (or higher) flows in a lab that are *NOT* hypersonic if the total temperature is less than ~ 500 degrees C. But for atmospheric flight, hypersonic conditions do tend to start at around Mach 5 because the total temperature is a function of the static temperature (how warm the air outside is) and the kinetic energy caused by the speed of the vehicle. In a lab, when you accelerate the flow the static temperature drops because you've converted the stored energy (total enthalpy) into kinetic energy.


                                                          This comment is way to looooong but I started typing and couldn't stop myself. I have other things I should be doing instead of this, so I'm not going to bother proofing it or correcting minor errors, which I'm sure there are plenty of.

                                                          • devzer0
                                                            devzer0  3 days back

                                                            The swept wing explanation is sort of terrible though....

                                                            • Bård Mathiesen
                                                              Bård Mathiesen  3 days back

                                                              A clip show? Really?

                                                              • devzer0
                                                                devzer0  3 days back

                                                                As an Aerospace Engineer and fluid dynamicist I had super low hopes for the explanations SciShow would give for induced drag, but all I can say is "bravo, Sci-Show, bravo!" Well done here. I wish you mentioned the awesome engineer who helped invent Winglets, Richard Whitcomb. A super amazing Aerospace engineer working for NASA who never deposited his paychecks.

                                                                • Jakub Gawrys
                                                                  Jakub Gawrys  3 days back

                                                                  One annoying misconception ( at least partial) is that myth that Wright's flyer went 10 mph on its first flight.
                                                                  It's not completely wrong but it gives that notion that it could go super slow . The thing is the flyer was going around 40mph or 70 km/h to lift off. They just chose a day for the first flight with ideal conditions (quiet common with worlds first) . They flew into 30mph headwind which gave them ground speed of several mph but actual air speed of 40. They also picked (I heard this was actual lucky chance rather than conscious decision) a day with extremely high air pressure and low temperatures which both increased lift and power of their engine. That's actually why centennial reenaction failed to get off the ground . They simply didn't have the ideal conditions. That of course gave birth to conspiracy theories that the actual flier was a hoax.

                                                                  • psammiad
                                                                    psammiad  3 days back

                                                                    Alberto Santos-Dumont was of course the first man to fly in a powered aircraft, not the Wright Brothers. That's just American imperialist propaganda.

                                                                    • Matthew Haas
                                                                      Matthew Haas  3 days back

                                                                      Compilation episode? That's cheating. Oh, wait, I just watched the whole thing. Ok , it was good. Thanks! (Bonus , see Hanks wardrobe fashion change over time!)

                                                                      • MWB Gaming
                                                                        MWB Gaming  3 days back

                                                                        Wendover Productions: *quick write that down!!!*

                                                                        • Uhohhotdog Gaming
                                                                          Uhohhotdog Gaming  3 days back

                                                                          Where is Wendover?

                                                                          • Colin M
                                                                            Colin M  3 days back

                                                                            The explanation about sweeping wings to allow the air to slide down the wing is not really correct. The purpose of swept wings is to make the airfoil appear thinner to the oncoming air. This allows the airplane to travel faster before the airflow over the wing hits "critical mach" causing a rearward shift in the center of lift and pitching the aircraft uncontrollably forward (known as mach tuck). If you look at the bell X1 it has almost no sweep but was able to exceed the speed of sound because of complex engineering that was able to overcome these changes in forces.

                                                                            • Steve Plegge
                                                                              Steve Plegge  3 days back

                                                                              X-72? You were talking about the X-15.
                                                                              Which, BTW, did *not* have a titanium skin.

                                                                              • Greg Luiz
                                                                                Greg Luiz  3 days back

                                                                                The definition of drag is wrong. Drag is the sum of forces opposing the motion of the object immersed in a fluid, ie on the same direction of travel. Force perpendicular to the direction of travel is called lift. Drag can be of 2 basic types, induced due to the production of lift ( because airfoils produce some drag in order to produce lift) and parasite drag, which is not accounted for by lift production. TLDR : DRAG IS NOT THE TOTAL OF ALL FORCES ON A MOVING SUBMERSED OBJECT. Source: Mechanical engineering degree.

                                                                                • Chris Heichel
                                                                                  Chris Heichel  3 days back

                                                                                  Just a thought Stephen Hawking claims singularities will decay over time / lose energy if that's the case why didn't the supposed singularity that became our universe decay before the big bang? Why don't other black holes explode/big bang?

                                                                                  • Pep
                                                                                    Pep  3 days back

                                                                                    OK .. minor complaint here, We don't use the metric system here ... can you please use measurements that the average American knows?

                                                                                    • Christopher Elliott
                                                                                      Christopher Elliott  3 days back

                                                                                      RE: Airline staff exposure to Cosmic Rays - I used to work for a research institution that maintained a network of ground-based neutron detectors designed to monitor the after effects of cosmic rays hitting the earth. By seeing how the influx of cosmic rays changed over time they were able to study the solar winds. But related to this topic, the Air Force was one of the recipients of our data so they could calculate the exposure rates of their pilots and flight crew based on an empirical measurement of cosmic rays every hour.

                                                                                      • Christopher Elliott
                                                                                        Christopher Elliott  3 days back

                                                                                        RE: Winglets on airplane wings - I remember folding winglets on my paper airplanes as a kid and seeing them go further after folding the winglets. That was in the late 70's and the 80's. Glad to see actual science back that up and airplane companies making them. But, also back in the 80's I got this book: https://www.amazon.com/Ultimate-Paper-Airplane-Step-Instructions/dp/0671555510/ref=sr_1_fkmr0_1?keywords=Kline%E2%80%93Fogleman+airfoil&qid=1581652402&sr=8-1-fkmr0 The airfoil described in the book has a much lower stall speed than a comparably sized standard airfoil. I wonder how long it will take before this airfoil type (which is nearly 50 years old) gets integrated into planes to allow slower take off and landing speeds.

                                                                                        • Bell Time
                                                                                          Bell Time  3 days back

                                                                                          When you can’t unsee.

                                                                                          • Jo-anne m
                                                                                            Jo-anne m  3 days back

                                                                                            hi, Concorde wasn't that noisy. In fact, we loved it as primary school students, see the supersonic bang was at 11:15AM, indicating that there were only 15 min left before lunch hour (ok, two hours, we are in France aftet all, we have a reputation to defend! 😜). cheers

                                                                                            • Farry Handika
                                                                                              Farry Handika  3 days back

                                                                                              "It's a bird, it's a plane,
                                                                                              .
                                                                                              .
                                                                                              .
                                                                                              .
                                                                                              .
                                                                                              .
                                                                                              IT'S THE SELJUK TURKS!"
                                                                                              Urgh.

                                                                                              • Stephen Gale
                                                                                                Stephen Gale  4 days back

                                                                                                Moo