00:01Have you ever noticed that one of the flight attendants hides their hands behind their back when you enter the plane?
00:07Are they crossing their fingers for a safe takeoff?
00:10Nah. At this moment, they're counting the passengers as they board.
00:14They have a special little counter for this.
00:16There are lots of stories about how bad airplane food is.
00:21In fact, it's not that bad.
00:23It's your sense of taste that's on the fritz because of the dry air.
00:26It dries your mouth out of all its saliva and dulls your sense of smell, which helps to feel 80% of what you taste.
00:35So, airline companies add more spices into the food so you can feel the taste.
00:41Seatbelts are located on the stomach because of the turbulence.
00:45When that happens, the plane sort of jumps up and down.
00:48Your waist belt holds you so that you don't crash into the ceiling of the aircraft.
00:52The shoulder seatbelts in the car protect against horizontal collisions.
00:58By the way, flight attendants also have shoulder seatbelts.
01:03It's because they always sit facing the passengers to keep order.
01:07While all passengers are flying face forward, the cabin crew sits backward.
01:13If the plane goes forward sharply, passengers get pushed into seats,
01:17and the flight attendants are held by shoulder and waist belts.
01:20Even if lightning strikes a plane, the passengers won't feel it.
01:26The entire aircraft is covered with an aluminum layer that conducts electric current without passing it inside the plane.
01:33Good thing.
01:34And all electronics and fuel tanks are equipped with additional protection.
01:39Before any plane is released from the factory, all this protection is tested by simulating lightning.
01:44Many passengers get a headache during the flight, especially right after takeoff.
01:51This happens because you're getting up to an altitude higher than Mount Everest in about 10 minutes.
01:56The air up there is thin.
01:58Your brain gets less oxygen.
02:00By the way, chewing gum or candies can help.
02:03Now, the main reason why the seats on the plane are so uncomfortable is profit.
02:10Airlines want to make more money, so they try to fit as many passengers on the plane as possible.
02:15Because of this, there's so little space between the seats.
02:19Two additional rows in the cabin provide 12 new passengers.
02:23Also, companies make airplane seats lighter to spend less fuel.
02:27Seats become smaller and less comfortable.
02:29You can feel cold inside a plane, but when the plane is flying at high altitudes, the conditions resemble those in the Sahara Desert.
02:38It's all because of very low humidity.
02:42Every hour of flight, your body loses a lot of liquid.
02:45Stay hydrated, but only choose bottled water.
02:49Many companies don't show movies because they can make passengers too sad or emotional.
02:54Even if a movie doesn't have a dramatic story with incredible characters, it can still be heartbreaking for passengers.
03:02The thing is that our body experiences stress, and we take everything close to heart because of the lower oxygen levels.
03:10Also, we're sitting in seats at a high altitude and very far from home.
03:14Our brain realizes we're out of control of the situation.
03:18This feeling of helplessness can throw a person's emotions out of whack.
03:22So, companies only show positive movies and comedies.
03:28Some passengers say they feel like they can't think straight during the flight.
03:32This happens because of a lack of oxygen.
03:34So, your mind isn't in top form.
03:37Well, better not do any important tasks or make any important decisions.
03:41Your corneas are the one part of your body that doesn't have a blood supply.
03:47The only way they get oxygen is from the air.
03:50So, worsened eyesight and dry eyes are common problems on airplanes.
03:55The best solution here is to take with you eye drops along with gum.
03:59That worsened vision is the first reason the crew dims the lights and asks you to open the windows during nighttime takeoffs and landings.
04:09Your eyes need to be adjusted to the dimness in case of an emergency.
04:14The second reason is the plane crew needs to be able to see out the window.
04:18There's a theory that hair grows faster during the flight.
04:24Some people notice that little stubble appears on their faces after the flight,
04:28even if they shaved a few hours before they got on the plane.
04:32Anyway, this theory is not confirmed.
04:35Some say the cabin pressure, lower temperature, or even heightened stress levels can accelerate hair growth.
04:41If you experience stress and get nervous right after you step on the plane, your best solution can be a little training.
04:50Go to the gym or make a set of squats before boarding to prevent stress.
04:55Also, a good workout compensates for the hours you spend sitting still.
05:01Airlines lose and send in the wrong direction several million lost bags a year.
05:06Almost half of the lost luggage is lost because of transfer issues.
05:09They may not deliver your suitcase just because of lack of time.
05:14A plane can fly away before a loader has put your luggage there.
05:18When this happens, they might carry these bags to another flight.
05:22And when your bag goes to the wrong place, it can be taken by other passengers accidentally.
05:27If you want to find your lost luggage quickly, take a photo of it in advance and then show it to the airport workers.
05:34You can also buy a special GPS tracker and put it in your suitcase.
05:38It works for six days, and you can use your phone to locate your luggage wherever it is.
05:46Airport staff take unclaimed luggage to a special center.
05:50If the owner doesn't show up within three months, the things inside the bags will be put up for sale in specialized stores.
05:56There, you can find clothes, jewelry, and electronic devices.
06:01And of course, it all comes with a big discount.
06:04The rumbling noise you hear after boarding is not my stomach.
06:09It is luggage being loaded on the plane.
06:12The compartment is right under the cabin of the aircraft, so it sounds quite loud.
06:19Aircraft tires can withstand pressure four to five times more than a plane actually gives them during landing.
06:25The metal wheel is more likely to brake than the tire.
06:30Pilots also have different meals.
06:33This is necessary to reduce the risk of food poisoning.
06:36The flight can go well even if one of the pilot feels bad because of a stale burrito.
06:42If two pilots ate the same burritos, they could lead to problems.
06:46Oxygen masks drop down when the air pressure changes.
06:51At a certain height, there can be less air in the cabin.
06:54To prevent passengers from feeling this, they should put on oxygen masks.
06:59When pilots descend to a safe altitude, you can breathe without the mask again.
07:04By the way, masks only have oxygen for 15 minutes.
07:07This is enough for the pilots to descend to a safe altitude on which passengers can breathe.
07:12The wings of most passenger planes are located at the bottom of the plane.
07:18It's built this way because of the engine.
07:22It should be installed under low wings because it's closer to the ground and easier to repair.
07:27Another reason is that the wings should take a big part of the blow during the bad landing.
07:32And if the plane falls into the water, then the wings become a life-saving pillow.
07:38Fuel tanks installed in the wings are empty after the flight,
07:41and it helps to stay on the water, too.
07:44The wings of cargo planes are located at the top to make it easy to load the cargo
07:49since the hull is located very close to the ground.
07:53Also, it helps to avoid getting debris into the engines in case when airfields aren't clean.
07:58Plus, this wing location has less aerodynamic resistance during the flight.
08:04Little triangles on the aircraft walls are special labels for flight attendants.
08:08The triangles mark special windows.
08:11You can see flashing indicators through these windows.
08:14It signals the landing gear is retracted and the flaps are closed.
08:18But for ordinary passengers, this is the place with the best view of the wings.
08:25Turbulence is a common thing during a flight.
08:27But usually, it's so insignificant, most passengers don't even feel it.
08:32Strong turbulence is rare.
08:33By the way, turbulence is just hot and cold air affecting a plane.
08:39For better understanding, imagine a big balloon people fly on.
08:44Remember the flamethrower installed under the ball?
08:47It heats up the air and the hot air raises the ball up.
08:51So turbulence is the hot air created by nature,
08:54and it makes the same thing with a plane that it makes with a balloon.
08:57Also, turbulence can occur if the plane gets under the hot air stream left by another plane.
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