Aired (March 10, 2024): There are many ways to recycle your plastic bottles, one is to create a water fountain, where a toy from discarded bottles is made into a device with infinitely flowing water.
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00:00 [music]
00:05 Guys, what can we do with empty mineral water bottles?
00:09 Of course, we can recycle them!
00:11 We will make a looping water bottle fountain.
00:15 [music]
00:18 Three water bottles.
00:19 First, we will make two holes here.
00:22 Two.
00:23 Two holes.
00:24 Okay.
00:25 Then, we will put it in the second water bottle with a hole.
00:29 And in the third water bottle, we will put it on top.
00:33 Okay.
00:34 Then, we will stick them using these straws.
00:38 And then, here it is.
00:40 Magic!
00:41 Wow!
00:42 Magic!
00:43 Okay, okay, okay.
00:44 This is our water bottle.
00:47 Ate Shai, what is that?
00:48 What is this, Chris?
00:50 It looks like...
00:51 The wheel.
00:52 The wheel.
00:53 Yes, it does.
00:54 Okay, let's put it here.
00:55 We will adjust it later.
00:57 It depends on the water level.
00:58 So now, we have colored water so we can see how the water flows.
01:05 So, thank you.
01:07 Very well sealed.
01:10 And then...
01:12 It's color is so beautiful.
01:13 When it's full at the bottom...
01:15 There it is!
01:16 There, it's floating!
01:17 We need to...
01:18 It's floating!
01:19 Yes, it's going to push the water to the next opening.
01:22 We need to tilt it like that so the water will flow first because there's no push yet.
01:27 So, we've moved a lot of things from this bottle to this bottle.
01:32 Now...
01:33 Okay.
01:35 There!
01:39 There!
01:42 We now have a looping fountain toy.
01:45 What can you say?
01:46 I believe!
01:49 The experiment we did is a variation of Heron's Fountain.
01:54 It's an invention of a first century Greek mathematician and engineer named Hero of Alexandria.
02:01 When we poured water, the bottle that was lying on the bottom was the first to fill up.
02:07 When we added water to the top bottle, the water fell more on the bottom bottle or the one lying on the table.
02:17 Earlier, it was just air but now, it has water.
02:22 That's why the air was displaced from the bottom bottle to the one lying on the table.
02:30 The air pressure is strong there so the water will push to the top bottle.
02:38 The reason is so the water will go down to the bottom bottle and the cycle will repeat.
02:45 It's fun to watch this water loop but it will stop eventually
02:50 because this is not a non-stop or perpetual motion machine.
02:54 It is impossible because it does not follow the laws of physics.
02:58 If you like this video, please subscribe to my channel.
03:02 Thank you for watching.
03:06 [END]