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1,789,874 Views ⢠Nov 23, 2024 ⢠Click to toggle off description
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Views : 1,789,874
Genre: Science & Technology
Uploaded At Nov 23, 2024 ^^
warning: returnyoutubedislikes may not be accurate, this is just an estiment ehe :3
Rating : 4.951 (1,564/125,571 LTDR)
98.77% of the users lieked the video!!
1.23% of the users dislieked the video!!
User score: 98.16- Masterpiece Video
RYD date created : 2024-11-29T12:14:22.962584Z
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266 Comments
Top Comments of this video!! :3
The 2nd one didn't work because it only had two strings which didn't keep it stable on all directions
Correction: two strings in the base of the tensengrity structure
2.1K |
I know the builder that designed that tensegrity structure, and there are two things of note. 1, whatever company you bought the knock-off from almost certainly did not have their blessing to sell it. This is a big problem in the Lego building community, with talented builders having their designs stolen and sold by bootleggers. 2. I have built that exact tensegrity structure, and it works perfectly when using official Lego bricks because the tolerances on real Lego are less than 1% of a single micron at their worst, and 1/500 of a micron at their best. Chinese knock-off companies cannot match that precision.
967 |
First one is not a Foucaultâs pendulum, but a harmonograph. Its purpose is indeed for the tip to draw patterns in the sand, pseudo-lissajous patterns, to be precise.
This is likely a scammy rebrand of such a pendulum by people who didnât really understand what it does and thought âhey, must be a Foucault thing, right?â
409 |
âSend these gifts to somebody you hate!â
139 |
The tensegrity thing was a stolen design, so it works way better with original Lego bricks
12 |
Second one is not only made of poorer-quality knockoff LEGO pieces, the design is also stolen from LEGO kinetic sculpture artist JK Brickworks; his youtube has a video of his actual original build
47 |
The large pendulum in the first few seconds is from the Richmond science museum, a museum built over an old train station. They also have a cool robot that draws on a window near the entrance along side an event workshop, bee hive, and other science based areas.
I don't know why I said all that but hopefully this inspires someone to visit.
16 |
I think the reason the 2nd one got good reviews is because most people may not have a good understanding and think itâs cool how (even if it tilts) it holds up seemingly like magic
64 |
What happened with the first one is they saw the real one and heard what it does and stuff and quickly built a product that is supposed to mimic the real thing but they didn't do any research to know about the size and specs for it to work correctly. I guess they assumed you could scale it down and whatnot and it would be fine lol
19 |
The âLegoâ one is a stolen design btw.
99 |
There was this one guy who hit the pendulum at the la observatory and it became slightly off course
15 |
The Fucoults pendulum draws a pattern based on the coriolis effect. Basicalls the difference in linear rotational speed from changing lines of latitude will cause the pendulum to deflect as it moves north to south. That deflection can be measured as an angle, applied to a simpke transform and it gets you your line of latitude.
Its a cool way to utalise the 15â°/hr spin of the earth and show its a sphere spinning
1 |
you always have cool and interesting gifts ideas, thats very nice to show the bad ones too
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My little brother got that Lego tensegrity structure, and itâs very cool! It canât hold much weight, but it will stay up so long as it doesnât get knocked over.
1 |
I made a Lego tensegrity structure and it is a bit wobbly but I had to work with the prices I got.
3 |
"cool science gifts for science haters"
12 |
3 point tensegrity structures are infamously unstable, the blocks not really being willing to fit together is an actual issue though.
2 |
The tesegrity structure fell down because it doesnt cover all dimensions, if they added another point of tension in a specific place, then it would hold.
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I wanna give a shout out to this conceptually. Hes giving arguably relatively neutral air time to products he didn't like, in the same air time he'd give positive videos.
In terms of airwave time, hes entirely circumvented his bias, and tampered down the rest
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@johnb3587
5 days ago
I wonder if the tensegrity structure would be better with actual Lego, they have insanely low tolerances on their bricks
5.2K |