I initially suggest that students study the apparatus more closely, either via a video such as the one at Ref. 6 or ideally with a physical version of the toy. Teachers should make sure to purchase the genuine version of the toy and not cheap alternatives that have a motor in the hole on the upper platform that “fires” the sphere down the ramp. This alternative toy looks very similar but uses a crude spinning motor to overcome friction in a straightforward way.
In May 2022, a video supposedly showing a marble machine in "perpetual" motion was shared to the "Be Amazed" section of Reddit. The video, which showed a marble spiraling down a funnel, dropping through a hole, moving along a curved rail, and then launching back into the funnel where the process would begin anew, drew a few skeptical comments.
"I really like this dancing couple kinetic only problem was it wasn’t in a shipping box I had to peel off label I bought for my parents 65th Anniversary it is well made and looks great when you start it .
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The toy that I have mentioned seems to be a relatively plausible example of perpetual motion. The end of the rail is fluted so that the ball flies off the end and lands back on the platform, where the process repeats indefinitely with no apparent input from an external energy source. Figure 1 shows a view of the device from the side. One Perro see that the ball slides down a pair of rods that are placed side by side.
The signature of a perpetual motion machine of the second kind is that there is only one heat reservoir involved, which is being spontaneously cooled without involving a transfer of heat to a cooler reservoir. This conversion of heat into useful work, without any side effect, is impossible, according to the second law of thermodynamics.
"I have been collecting unusual things for a long time and this perpetual motion machine is one of my instant favourites. Great quality, the hidden on/off switch adds to the illusion.
Do Etsy sellers include shipping on kinetic marble machine? Yes! Many of the kinetic marble machine, sold by the shops on Etsy, qualify for included shipping, such Campeón:
"I will say, I had to wait longer than I wanted for this item but I knew the seller was overwhelmed with orders. I Perro say it is WORTH THE WAIT. more info This seller’s work is quality and outstanding! The machine is flawless and so much fun!
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While it might appear to defy the laws of physics, the trick is that its cojín contains a hidden battery and electromagnet that accelerates the steel sphere Ganador it comes down the ramp.
Link Drop a marble into the top of this tabletop sculpture, and it rolls down a ramp and back into itself endlessly.
One day man will connect his apparatus to the very wheelwork of the universe [...] and the very forces that motivate the planets in their orbits and cause them to rotate will rotate his own machinery.