Technology

Watch What Happens When Molten Copper Is Poured on a Big Mac

March 16, 2016 | Johannes Van Zijl

Molten copper being poured over a Big Mac
Photo credit: Screen capture from video by Tito4re

I hope you like your Big Mac well-done!

As far as experimentation with fast food is concerned, this video by Tito4re has taken things to the next level. The YouTube user decided to pour molten copper over a Mcdonald’s hamburger, unearthing some rather interesting, as well as distressing, concerns.

Here is the full video:

 

After witnessing the complete annihilation of the Big Mac burger, you may be wondering why the molten copper seems to bounce of the burger during the initial stages of the pour. It comes down to a phenomenon know as the Leidenfrost effect, an effect that has been witnessed in several liquids, including water and molten salt.

The phenomena occurs when a liquid makes contact with a surface much hotter than the liquid’s own boiling point. This results in the formation of a layer of vapor that insulates the liquid and physically separates it from the surface.

Most of us have likely witnessed the Leidenfrost effect first hand while cooking. When hot water lands on a hot surface, like a cooking pan, the droplets appear as if they are skating or floating across the pan.

SEE ALSO: Watch What Happens When Molten Salt Is Poured Into Water

When the molten copper touches the moist burger, the drops of copper bounce off the top and flow over the sides of the burger. This happens because the heat that is generated as the copper makes contact with the burger is actually hotter than the copper’s own boiling point, resulting in the Leidenfrost effect.

Here is a short video explaining how the Leidenfrost effect works:

 

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