# Jet Fuel Can't Melt Steel Beams
"Jet Fuel Can't Melt Steel Beams" is a mocking catchphrase pulled from 9/11 truther arguments that first appeared in the 2005 documentary Loose Change. Redditors flipped the line into an absurdist non-sequitur in late 2014, turning a conspiracy talking point into one of the go-to punchlines for derailing any argument on the internet.
## Origin
The line traces to the first Loose Change film, released on April 13, 2005, which argued that the September 11 attacks were orchestrated by the U.S. government and claimed the burning jet fuel could not have weakened the World Trade Center enough to bring it down[3]. Truthers picked up the phrasing as a rallying cry for the controlled demolition theory. Popular Mechanics answered in its March 2005 cover story, later expanded into a 2006 book with a foreword by Senator John McCain, laying out how fire-weakened steel plus plane impact damage caused the collapse[1].
The catchphrase started getting flipped into a joke in late 2014, when Reddit users began deploying the truther line as an all-purpose absurdist punchline rather than as an actual argument[3].
- **Platform:** Loose Change film (2005) / Reddit (viral spread 2014)
- **Creator:** Unknown
- **Date:** 2014
## Overview
The joke works as a total non-sequitur. Users drop "jet fuel can't melt steel beams" into any argument, image macro, or reply where it makes zero sense, treating the truther talking point as pure punchline rather than a claim to defend[3]. The humor comes from the mismatch between the smug, know-it-all delivery of the phrase and the fact that it has nothing to do with whatever conversation is happening. Popular Mechanics spent years actually debunking the underlying assertion, showing that the World Trade Center's structural steel did not need to melt for the towers to fall, since intense fire plus impact damage was enough to compromise the columns[1].
Common formats include edited webcomics where a wholesome cartoon character delivers the line straight-faced, reaction images where the phrase is captioned onto absurd photos, and one-liner replies used to derail online debates. Urban Dictionary entries from the peak period define the line as any response you throw out when someone else has a seemingly air-tight argument you cannot actually beat[5].
## How It Spread
On November 8, 2014, Redditor Sir-SmokesALot posted an edited version of the "I Wish I Could Talk to Ponies" webcomic titled "Things a pony would say," in which the horse tells the girl "jet fuel can't melt steel beams." The post pulled over 4,400 upvotes on r/funny within three months[3]. On December 31, 2014, YouTuber danwanster uploaded a short satirical video featuring a German shepherd behind the wheel of a car, titled simply "Jet fuel can't melt steel beams"[2].
The format kept moving across subreddits in early 2015. On January 27, 2015, Redditor Lust_In_Phaze posted "The Revelation" to r/BlackPeopleTwitter, pairing the line with a suggestive photo, and the submission pulled upwards of 5,000 votes in its first month[3]. About a week later, on February 5, another Reddit user edited a four-panel Winnie the Pooh comic where Pooh delivers the line to an Illuminati pyramid. On February 20, 2015, FunnyJunk user hankhillofthe uploaded a music video setting the catchphrase to lyrics that referenced other site memes[4].
Usage settled into a stable pattern by late 2015: the line was treated as a shorthand for "I have no rebuttal, so here is nonsense," and Urban Dictionary contributors documented that meaning explicitly[5].
## How to Use
The format typically involves dropping the phrase into a conversation where it makes zero sense, either as a reply to an argument you cannot actually counter or as a caption on an image showing a wholesome character delivering the truther line straight[3]. Common conventions include edited webcomics, reaction image macros, and one-line Twitter or Reddit replies used to derail debate[5].
## Frequently Asked Questions
### What is Jet Fuel Can't Melt Steel Beams?
It is a mocking catchphrase drawn from 9/11 conspiracy theorist arguments that the World Trade Center fires were not hot enough to compromise the towers, later flipped into an absurdist internet punchline[1].
### Where did Jet Fuel Can't Melt Steel Beams come from?
The line comes from the 2005 truther documentary Loose Change, which argued the towers were brought down by controlled demolition rather than the plane impacts and fires[3].
### What does Jet Fuel Can't Melt Steel Beams mean?
Online, it is used as a non-sequitur reply, a nonsense comeback thrown out when someone has a strong argument you cannot actually rebut[5].
### How do you use Jet Fuel Can't Melt Steel Beams?
Users typically drop the line into unrelated conversations, edit it into wholesome webcomics, or caption it onto absurd reaction images[3].
### Is Jet Fuel Can't Melt Steel Beams still popular?
It peaked as a viral format in 2014 and 2015 and is still recognized as a classic 9/11 conspiracy joke, though its heaviest use was in that mid-2010s window[3].
## References
1. [https://www.popularmechanics.com/military/a6384/debunking-911-myths-world-trade-center/]()
2. [https://www.youtube.com/watch?v=CDx1GLqvBO8]()
3. [https://knowyourmeme.com/memes/jet-fuel-cant-melt-steel-beams]()
4. [https://www.youtube.com/watch?v=xsTyjVnZBww]()
5. [https://www.urbandictionary.com/define.php?term=Jet%20Fuel%20Cant%20Melt%20Steel%20Beams]()
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