Short Bytes: In this amazing science video, a red hot nickel ball is placed over a floral foam, but no one expected it to turn out like this. It didn’t melt, it didn’t burst into flames. Check out what happened.
If you like to watch amazing science videos, then you must have seen the carsandwater experiments. This is a place where you can see all sorts of science experiments and DIY projects. Red Hot Nickel Ball experiments are some of those.
What’s happening here?
In this episode, a piece of floral foam is tested against a red hot nickel ball. A red hot nickel ball is placed over the floral foam, but the result didn’t go as expected. The red hot nickel ball didn’t melt the foam or make a hole through it, or even burn it.
In this time-lapse video of the experiment, the red hot nickel ball seems to bleed dry the floral foam. As soon as the ball is put over the foam, the heat is conducted through the foam forming ring patterns of green, purple and then black.
Why this happens?
The reason why the foam didn’t melt, or burst into flames, is hidden in its molecular structure. Floral foam is a thermoset phenolic foam, and thus has a tremendous heat resistance. It is formed by the cross-linking structures of carbolic acid phenol and formaldehyde. Due to the synthetics’ heat resistant properties, they are found in myriad industrial products such as snooker balls, cookware, and even spacecraft shields.
As time passes, the heat spreads to the bottom of the foam. Finally, the foam desiccated and crumbled as it turned to charcoal.
The foam is a carbon compound so dense, that it has an a very limited air flow inside its molecular structure. That’s why it doesn’t burst into flames, but chokes as the heat passes, thus, leaving the charred product.
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