Explain xkcd: It's 'cause you're dumb.
Many people have cried out against airports using backscatter X-ray machines as a security measure, since the machines can create an image of the subject naked. Black Hat is helping these people fight back by giving the men an opportunity to force the security guard to see them with erections.
The person speaking in the title text doesn't need an erectile dysfunction pill to achieve erection in this situation because he is aroused by the physics principles which make this technology possible, or again, by the technology itself or even the backscatterer X-ray machines.
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- [There is an airport security checkpoint where a queue of ten passengers is waiting to go through a backscatter x-ray scanner. Near the back of the line, Black Hat is standing next to a stand which says "Viagra $20". One passenger next to him is drinking a glass of water; another is contemplating the sign.]
- Security Guard (thinking): Oh god.
I don't think it's Black Hat saying the title text but someone else in line. However, I'm not sure so I'm hesitant to edit it.184.108.40.206 15:54, 6 March 2014 (UTC)
I think the point is not about offending the backscatter operator, but more about men not wanting others to view their genitals in the flaccid state. Many men have self-esteem issues about genital size, and would be eager to take a pill that would make them appear larger before exposing themselves in that way. 220.127.116.11 05:29, 2 May 2014 (UTC)
$20 a pill for a now-generic (Pfizer's patent expired in mid-2014) medication is a bit steep, yes? 18.104.22.168 (talk) (please sign your comments with ~~~~)
- Not sure how that is in any way relevant, since the comic is from 2010. Are you suggesting that Randall on a regular basis should go back and adjust all his comics for inflation and other market developments? 22.214.171.124 22:35, 5 October 2014 (UTC)
Backscattering fetish must be a subset of X-ray porn (which exists - no, really). 126.96.36.199
11:15, 16 October 2014 (UTC)