KGB Disappearing Ink Pen from ThinkGeek

Part 1 of the Spy Pen Saga! This pen writes in ink that slowly disappears! Did you sign that form, or didn't you?

[razerage]

gonna donate this pen to my classmates during exam XDDD

[BoeingChannel]

If I were a celebrity, I'd sign autographs with this...

[saigyuun]

Use this to sign on the marriage contract if you don’t like that ur future wife/husband.

[BlastOffLabWebDesign]

It claims to disappear in 48 hours and yet he says he signed it this morning? 

[sidelingscroll]

@ SLee, This pen contains thymolphthalein as the active chemical. It will being disappearing 1 hour after application. by 48 hours the only way to get it back is to increase the pH to above 10 (adding baking soda and water will do the trick)

[jvpernis]

what value does it have when you'll never be able to see what you've written

[zoids]

@MasonPaco one, its a commercial so they're kinda allowed to mess with time like that. two, it does say disappear time varies by room conditions like humidity/temperature.

[ManijakTotalni]

I got an exciting idea that involves this pen, a shop/restaurant and of course, a check :P

[Nemephosis]

"within" 48 hours. "This morning" falls within 48 hours. Obviously things are going to affect it, such as room temperature, etc.

[nynick]

Well this isnt the same product as you had, go to the website and read it..

[sidelingscroll]

@DisruptiveEchoes you could theoretically take a brush of some sort and use a mixture of baking powder and water in a cup. snap a photo, and poof. you probably wouldn't want to smear the baking soda on there, because it might pick up some ink with it (I don't know how well oxidized thymolphthalein bonds to paper), but you would maybe also try putting the baking soda/water mix on a toothbrush and misting the paper by drawing your finger across the toothbrush? I dunno.

[daxter]

@finnsia yeah, that works. Just remember to write light, don't want them to make out your email and send you loads of spam and such

[WessieEmmert]

completely off topic, but if you enable the youtube transcribe audio for the closed captions the conversation goes from commercial to hilarious commercial.

[jakedmagic]

"Dear Mr. Manager"

I really hope that's an Arrested Development reference.

[FrankVerdi]

haha, i like the resignation letter "Initech Mifflin" in "Scranton, Texas".

[daxter]

@finnsia yeah, only thing left was the indents in the paper since I pressed to hard. Only problem I have with this pen, it disappears very quick(about 5-10 mins, maybe 20 if you're lucky), so you basically have to sign it in front of them then disappear as well or you might still be around for them to catch you.

Sadly, I think that they removed the video of him choking the guy with the force (I think it's the personal soundtrack). They changed the video.

[Benjamin]

It would suck to accidentally do your homework with this then the next day when you try to turn it in the worksheet is blank.

[Zenoff]

Wouldn't there still be a very slight indentation on the paper from where the pen came in contact?

[NYCrazyRob]

The site says it takes 2 days to completely disappear...yet the boss claims the guy signed his name earlier in the day. PLOT HOLE!?!?!?!