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Fit Fix: Here's Why This Big Mac Looks Nearly Impervious to Molten Metal

Today in fast-food chemistry, and everything else you need to know.

Medium Rare or Molten?: Tito4re, a YouTuber whose style is basically "watch what happens when I pour a ton of molten copper on stuff," really fired up the Internet this week by pouring molten copper (melting point: 1,984°F) on a McDonald's Big Mac. Isn't it crazy how the burger seems to resist the metal? Surely that's a sign of the fast food's weird chemical makeup, right?

Actually, it's not. The metal seems to harmlessly bounce off the bread and then the patty (before eventually starting a fire) because of a phenomenon called the Leidenfrost effect, which happens when steam (like from the water in the burger) evaporates and creates a shield of sorts between a solid and a liquid. It's why water seems to "dance" on a hot pan. Science, bitches.

Also in the news today:

Harrison Ford Reboots, Part 1: Indiana Jones is set to return in 2019, as Disney shakes the increasingly creaky and crotchety Dr. Jones out of retirement for a fifth movie in the franchise. Hopefully this one won't send our whip-cracking archaeologist diving into any lead-lined refrigerators to escape a nuclear bomb blast. (Because that was definitely the most unrealistic part of Crystal Skull. Definitely not, you know, aliens. Or Cate Blanchette as a brunette.) [Deadline Hollywood]

Harrison Ford Reboots, Part 2: Disney is reportedly still narrowing its shortlist of young actors who are reportedly up for the Han Solo reboot, according to insider reports. Names that have been floated so far: Alden Ehrenreich (Hail, Caesar!), Jack Reynor (Transformers: Age of Extinction), and Taron Egerton (Kingsman: The Secret Service and Eddie the Eagle). [Hollywood Reporter]

He'll Have a Knuckle Sandwich With Extra Mustard: After reportedly gaining back some weight in prison, Jared Fogle's penitentiary stay got even worse: A 60-year-old inmate knocked his face in during a prison yard brawl, according to a new TMZ report (so take it with a grain of salt). [NY Daily News]

No Supercar For You, Part 1: Noted car fanatic Jerry Seinfeld auctioned off 17 of his collectible cars, including 15 vintage Porches, for more than $22 million on Friday—and that was probably a relatively low number. "I wanted to...see the look of excitement on the faces of the next owners who I know will be out of their minds with joy that they are going to get to experience them," he said in February. [Los Angeles Times]

No Supercar For You, Part 2: As if the $400,000 price tag wasn't enough, Ford is forcing would-be buyers of the new 2017 GT to jump through more than a few huge hoops to even qualify for getting their hands on one of the 250 models. Those hoops: You have to promise not to sell it for a set period of time, you need to have a considerable social media following, and you should probably have a history of owning Fords. Also, $400,000. [The Detroit News]


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