Top Tweets for #secretWriting
THE MOST COMPLETE BIBLIOGRPAHY ON CRYPTOGRAPHY EVER PUBLISHED ON THE SUBJECT
#Cryptography #SecretWriting #Ciphers #FrancisBacon #Shakespeare
"One writes this letter on a new hat or on human skin with crushed gallnuts dissolved in water. When the writing is dry it will become invisible. Then soak a sponge with vitriol and rub it over the writing and it appears." - Philo of Byzantium on #secretwriting, 3rd century BC
#SecretWriting #Steganography
With entrance exams looming, “ads that only students can see” appear in Tokyo train stations
Most students have access to a red plastic optical filter for revealing the answers to practice questions.
https://t.co/VRT99X70hF
Sad to hear of the passing of @KristieMacrakis an expert on East German #espionage history and on #InvisibleInk #SecretWriting #TradeCraft
We are heartbroken to share the news of Professor Kristie Macrakis' passing. She contributed so much to our School and students over the past 13 years and will be dearly missed. She leaves behind a lasting legacy: https://t.co/Mbz23CfnAd
The main form of communication that agents used with their handlers was #secretwriting.
A crucial aspect of the system was the need for genuine information to be sent along with the deception material.
#SOE instructions on the type of paper *not* to be used with #SecretInk #InvisibleInk #SecretWriting Unfortunately KV 4/172
https://t.co/DCWLPXnygg
is not yet digitised by the National Archives at Kew @UkNatArchives @KristieMacrakis
When you're a spy you have to be careful of ANYTHING giving you away, even to the point of not using lined paper, as the lines may run when exposed to invisible ink solutions. From KV 4/172, Notes from the Beaulieu spy school. #spies #espionage #secretagents #tradecraft #history
berniepeoplearemyfavoritepeople
( only @BernieSanders people will be able to read that lol ... )
#SecretWriting
#OPSEC #SecretWriting #InvisibleInk extract of soybeans #aburidashi @KristieMacrakis BBC News - Japan #ninja student gets top marks for writing essay in invisible ink https://t.co/ejUTEhG2nP
Ss enjoyed sharing their creative writing, “The Tale of Tom Turkey”. They had to persuade Farmer B to not eat Tom Turkey! #groupcollab #secretwriting SO to @mrs_rothrock and Kerr as a guest judges!
*shrugs and scuffs feet on the ground*
https://t.co/CmIvwNm23c #amwriting #secretwriting #fullthrottleintothevoid
Nigel peed on rug again, same spot, more writing visible, gone by this morning but got pics at least. Can't make it out, ?Arabic.
#therugmysoulyoursoul
#secretwriting
About to sit down and read some #secretWriting from @AndyWritings for something secret we are cooking up. I'm excited!!!
#WWI #spy #MariadeVictorica.Her scarves infused with #secretwriting compound, #StPatricksCathedral a #deaddrop site
Working for #LaRésistancefrançaise, #JosephineBaker used #secretwriting on sheetmusic for her intelligence reports
👫💕👬💞👭
#poetry #melbourne #holdme #secretwriting #wordsareart #avoidthechill #keepwarm #art… https://t.co/VCd0k3adIV
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