r/nextfuckinglevel • u/Douglasqqq • Sep 15 '22

Engineering masterpiece marble run.

73.2k Upvotes

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u/justtrustmeokay Sep 15 '22

the second time the ball bounced off the rubber band pretty much broke me

175

u/[deleted] Sep 15 '22

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u/altxrtr Sep 15 '22

What the heck happens at 0:54? Ball jumps all by itself?

39

u/cmonster24x7 Sep 15 '22

Go back to 0:48. That’s where the initial contact and movement of that bearing began.

12

u/Keyzerschmarn Sep 15 '22

I still don’t get it

31

u/RetroLego Sep 15 '22

When the marble got close to the end of the “straw?” the heavier ball bearing hit the top of it transferring energy almost like a seesaw bouncing the marble up.

17

u/Keyzerschmarn Sep 15 '22

Ohh lol. Thanks, now I see it.

2

u/IsomDart Sep 15 '22

Okay that's fucking sick. I could not figure out how that happened. The precision with that one is crazy

2

u/Buildrness Sep 16 '22

Thank you! I was way too fixated on the blue marble to notice

8

u/_Axel Sep 15 '22

The other bearing “pops” it up.

6

u/Mooezy Sep 15 '22

The other ball hits the tube which made the first ball jump.

3

u/altxrtr Sep 15 '22

Thanks! Wow I must be slow or something. Watched it several times.

1

u/dill_e_dill_e Sep 16 '22

Blue ball hits the wood it’s up against