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My Rock, Paper, Scissors Robot Never Loses (+9 Other Inventions)

2024-11-02 Science & Technology
68.8m
468.1k
14.8k
Mark Rober
Mark Rober
78.1m subscribers

Countdown: Ten Coolest Builds from CrunchLabs Over the Past Year

Discover the underlying science behind ten incredible inventions, from frictionless ice rinks made of BBs to an infinite Slinky staircase, and learn how to easily recreate key concepts yourself.

Short Summary

  • Analyze the physics behind a room-temperature ice rink using airsoft BBs and learn about the mechanics of ball bearings relating to low friction.
  • Explore compliant mechanisms through a chair fabricated from a single sheet of plywood and understand the optical illusions created by strobe frequency matching wave frequency.
  • See how advanced engineering solves childhood frustrations, culminating in an autonomous, self-correcting Slinky staircase that ran for over 48 hours. This review details ten impressive CrunchLabs creations, breaking down complex principles like computer fluid simulation and binary counting into accessible engineering lessons. The guide emphasizes that creative engineering allows you to bring virtually any concept you dream up into reality.

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Description

Legend has it the slinky is still going… CrunchLabs now has boxes for kids AND Adults to grow your brain while having max fun. Get your FREE box here: https://crunchlabs.com/Rocky Get your CrunchLabs box today: Build Box for kids click here: https://crunchlabs.com/RockyBB Hack Pack for teens and adults click here: https://crunchlabs.com/RockyHP Thanks again to my friends at BYU for making this printable chair available! https://www.flexi-chair.com/about-6-1 Printables: https://www.printables.com/model/569115-single-sheet-model-chair. Thingiverse: https://www.thingiverse.com/thing:5477930 Shoutout to Anna for hitting the best BB floor skate jump we’ve seen! https://www.instagram.com/anna_shea_skates Thanks to these folks for providing some of the music in the video: Ponder - @Pondermusic Laura Shigihara - @supershigi Andrew Applepie - https://soundcloud.com/andrewapplepie Blue Wednesday - https://soundcloud.com/bluewednesday Danijel Zambo - https://open.spotify.com/intl-de/artist/1ZD9ri2wmZZPL4qs92sXZX?si=iI7jkn-qSY-6NKo931314Q TV Girl- https://tvgirl.bandcamp.com/ And it is always great to use an animation from the incredible @JaredOwen PLATINUM TICKET INSTANT WIN GAME NO PURCHASE NECESSARY. Promotion starts on 06/1/2024 & ends on 05/31/25, subject to monthly entry deadlines. Open to legal residents of the 50 U.S. & D.C., 18+. 1 prize per month: each month is its own separate promotion. For the first 2-3 months, winner may be notified via phone call instead of winning game piece. If a monthly prize is unclaimed/forfeited, it will be awarded via 2nd chance drawing. See Official Rules at crunchlabs.com/sweepstakes for full details on eligibility requirements, how to enter, free method of entry, prize claim procedure, prize description and limitations. Void where prohibited. PLATINUM DIPLOMA SWEEPSTAKES NO PURCHASE NECESSARY. Ends 4/30/25, Open to legal residents of the 50 U.S. & D.C., 14+. Visit https://www.crunchlabs.com/pages/crunchlabs-hack-pack-platinum-diploma-sweepstakes for Official Rules including full details on eligibility requirements, how to enter, entry periods, free method of entry, entry limits, prize claim procedure, prize description and limitations. Void where prohibited.

Top Comments (10)

@MarkRober 2024-11-02

Legend has it the slinky is still going… CrunchLabs now has boxes for kids AND Adults to grow your brain while having max fun. Get your FREE box here: https://crunchlabs.com/Rocky

3.9k 344 replies
@StellarNova45 2024-11-03

The rock-paper-scissors bot uses the best winning technique, waiting for your opponent to go first

1.6k 9 replies
@jonathanr4242 2024-11-03

When my daughter was little and I used to play Rock, Paper, Scissors with her, she used to always say "you go first".

501 8 replies
@quanghuyang6570 2024-11-08

So the challenge is: Let the robot fight itself in the mirror, who will win?

179 8 replies
@ashtaroth71 2024-11-11

Ah that explains why cartoon characters don't immediately fall, they're slinkies.

123 4 replies
@ironbatman9689 2024-11-07

fun fact about ball bearings: many WW2 war machines used ball bearings and require a high amount of accuracy to be made. Attacking the ball bearing factories became a primary strategy of the allied forces.

77 1 replies
@benboddy515 2024-12-17

I watched this with my son a couple of weeks ago. Today, he told me that he used the rock, paper, scissors method to beat his friends to be his class reader at the school Christmas Carol Concert. Proud dad moment

59 1 replies
@The21stGamer 2024-11-09

You should tune every chicken to a certain note and make a chicken organ

28
@AlanSerisky1 2025-05-09

Anna said "I'm dead". But she is the most ALIVE & ENERGETIC "dead" person I ever saw!!! She is absolutely amazing!!!

4
@oxob3872 2026-05-02

"hey buddy, im an engineer. That means i solve problems."

1

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