'Imagine if Joe Biden said this': Trump brutally mocked for comment about how magnets work

Donald Trump on Friday made a confusing comment about magnets, prompting mockery around the internet.

The former president said at a rally that he was largely ignorant about magnets, raising the issue in connection with so-called "magnetic elevators."

"They had an almost billion-dollar cost over on the magnetic elevators," Trump said at the Iowa hearing on . "Think of it. Magnets. Now, all I know about magnets is this: give me a glass of water, let me drop it on the magnets. That's the end of the magnets."

The internet was quick to react to the confusing admission.

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Former federal prosecutor Joyce Vance said, "It feels like this is the point where [Bill Nye] has some narration to do."

MSNBC executive producer Kyle Griffin also chimed in: "Donald Trump apparently doesn't understand how magnets work," the onlooker wrote.

Matt Fuller, Washington Bureau Chief for The Daily Beast, raised the following scenario:

"Imagine if Joe Biden said this," Fuller wrote Friday.

Vanity Fair columnist Molly Jong-Fast simply stated, "Cognitive decline."