What hides this stereogram?
[1857] What hides this stereogram? - Stereogram - 3D Image - #brainteasers #stereogram #3Dimage
BRAIN TEASERS

What hides this stereogram?

Stereogram - 3D Image
#brainteasers #stereogram #3Dimage
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John Ramsey: Old Security Passwords

So they ask me, Would you like to answer your secret security password question? I think, Oh yeah, surely I can answer a question posed by slightly younger me.
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Radiation treatment

In 1896, Émil H. Grubbe, a Chicago researcher, became the first known to administer x-ray radiation treatment for the recurrent breast cancer of a fifty-five-year-old woman. X-rays had been discovered the previous year in Germany. Grubbe tried radiation as a tool against cancer after he suffered a radiation burn while experimenting with X-rays. His experiment didn't cure the woman's cancer, but others in the late 1890s who applied X-rays to various cancers - especially skin cancer - not only relieved cancer pain but actually cured some, which encouraged continued use and study of the X-rays. Grubbe did not publish his work until several years later, and his claims of priority as the first to use radiation treatment were widely doubted.
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