Level 1 to 100 Science Gadgets

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These are amazing science gadgets! The list includes holographic fans, perpetual motion machine, sterling engine, potato battery, cast saw, musical tesla coil, super precision gyroscope and much more!

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[乂]

If only our science teachers made science this interesting

[pheonneonxd]

I used to be a fan of Hafu. Now I’m an air conditioner

[filipwassen]

So you saw a cool science gadget, realized it was clickbait, got disappointed, and yet decided to do the exact same clickbait in your video?😂

[DemonwingShorts]

The water in a potato conducts energy making a the clock turn on 😅

[planetgod-pscn]

Bro violated that goku 😂😂😂

Edit- no way I got heart comment from hafu I'm telling everyone to subscribe

[CatEarsGuy]

wait a sec...
I've seen this thumbnail before...
edit: 5:27 this is why Hafu is my favorite scientist youtuber
he is always referencing cool science teachers

[ABAS_--]

Science is very interesting and useful !

[davidmaes]

The gyroscope is not new though. My brother got one when he turned 12. He turned 60 last march.

[romeolajh]

amazing how people are amazed by saw which exist for many decades

[darkdestroyer]

I did the research for you. No, that tokyo light thing doesn't actually exist. It was an animation made years ago, and this guy came around and took it and used it as clickbait.

From what I gather, the artist's name is Flavio Carvalho, of course, you won't find that mentioned here, because dude doesn't care.

[Peace-kesk]

Can you believe that every thing was sold out before i could get any of them 😢😢. Hafu do something about this

[erikf]

If only our science teachers made it this fun

[fzsgxuh]

Haha with the gyroscope you imitate the science teacher on tik tok 😂

[angelpenarolo]

I didn't know how mova globes worked. Its GENIUS to anchor itself to EARTHS MAGNETIC FIELD. That blew my mind.

[itsops]

This guy is starting to become
my favourite YouTuber

[Clappersbeyond]

If there was actually 100 items each one would get about 1 second of screen

[JB-DJ]

love is videos! You can never see anything like this what accually makes your brain improve

[Unknown-am]

I appreciate how Hafu entertains us and while teaching us something

[digitalprogramming-cigh]

bro love your videos as a neet aspirant, you increase my interest in science

[koiyujo]

9:08 fun fact this is also why guns are so loud because when the hot gasses from the gun come into contact they will make the ambiant temperature air heat up