Answer to the Brain-Teaser Quiz

I’m now posting the answer to the quiz I mentioned before.

Please don’t look at it right away—take a moment to think it through yourself first.

The solution is to stretch the ring until its circumference exceeds the Earth’s diameter, slip it all the way around the planet, and then shrink it back down.

In that way, you can relocate the ring to the black stake’s base without ever passing the knot through it.

Please don’t look at it right away—take a moment to think it through yourself first.

The solution is to stretch the ring until its circumference exceeds the Earth’s diameter, slip it all the way around the planet, and then shrink it back down.

In that way, you can relocate the ring to the black stake’s base without ever passing the knot through it.

Answer to the Brain-Teaser Quiz

I’m now posting the answer to the quiz I mentioned before.

Please don’t look at it right away—take a moment to think it through yourself first.

The solution is to stretch the ring until its circumference exceeds the Earth’s diameter, slip it all the way around the planet, and then shrink it back down.

In that way, you can relocate the ring to the black stake’s base without ever passing the knot through it.