Message Font: Serif | Sans-Serif
 
No. of Recommendations: 5
https://www.sciencenews.org/article/how-particle-accelerator...
With the aid of a particle accelerator, scientists are bringing back ghosts from the past, revealing portraits hidden underneath the tarnished surface of two roughly 150-year-old silver photographic plates.

Researchers used an accelerator called a synchrotron to produce strong, but nondamaging beams of X-rays to scan the damaged photographs, called daguerreotypes, and map their chemical composition. This allowed chemist Madalena Kozachuk of Western University in London, Canada, and colleagues to trace mercury deposits in the plates and create digital copies of the hidden images, the team reports June 22 in Scientific Reports. One image revealed a woman; the other, a man who had been completely obscured by tarnish.


PF
Print the post  

Announcements

When Life Gives You Lemons
We all have had hardships and made poor decisions. The important thing is how we respond and grow. Read the story of a Fool who started from nothing, and looks to gain everything.
Contact Us
Contact Customer Service and other Fool departments here.
Work for Fools?
Winner of the Washingtonian great places to work, and Glassdoor #1 Company to Work For 2015! Have access to all of TMF's online and email products for FREE, and be paid for your contributions to TMF! Click the link and start your Fool career.