Originally published at: https://boingboing.net/2019/03/07/how-to-make-a-super-hydrophobi.html
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With the added benefit that losing the little steel ball doesn’t mean you can’t play the game anymore.
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Instead of holes, how about tiny sponges?
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You know what else is hydrophobic? The tops of lily pads.
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My 11 year-old son and I were at Vancouver MakerLabs recently and an old Labyrinth game was on display. He gave it a try and dropped into the first hole. He tried again and again failed at the first hole. Being the ever supportive father, I mistakenly chuckled at his misfortune. Of course he said “It’s not easy. Here, you try …”
I nonchalantly stepped up and proceeded to take the ball from start to finish on my first try. Took me about 30 seconds to complete. He was stunned. I started to walk away. “Bet you can’t do it again …” So I did it again, and for good measure, when I got to the end, I reversed and just as efficiently maneuvered the ball back to the start. He looked at me in total amazement.
And then I explained. Muscle memory. We had Labyrinth at home as a kid. As many hours as he’s spent with Fortnite and Apex, I’d cumulatively spent double that with Labyrinth. Got to the point that I could go there and back, repeatedly.
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It was a great video and I think I’ll be making a version with my son. However, we are both agreed that the best bit was the caique at the end - kept me watching the ad 
(the caique isn’t a lie)
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I used to have one of these when I was a kid, with a blob of mercury in it. It was fun. It was more challenging than a steel ball, trying not to split the mercury. I guess that wouldn’t be allowed these days. I start to feel old.
Editted to say…I found it!
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I had one of those too.
I too feel old.
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I got one of those too!
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Well, I know where the rest of my evening just went:
Good thing I found my PSP and games when decorating last year - and not a toxic chemical in sight!
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