Skip to main content

Reset your password

Please enter the e-mail address you used to register to reset your password

Note: The verification e-mail to change your password should arrive immediately. However, in some cases it takes longer. Don't forget to check your spam folder.

If you haven't received the e-mail in 24 hours, please contact customerservices@ioppublishing.org

Registration complete

Thank you for registering with Physics World
If you'd like to change your details at any time, please visit My account

Close
Imaging

Imaging

Hidden pictures

22 Jan 2019
Taken from the January 2019 issue of Physics World.

Hidden beneath some masterpieces there are other paintings, visible only to state-of-the-art spectroscopic imaging techniques. Stephen Ornes looks at some of the secrets that hyperspectral imaging has uncovered

Picasso imaging
Picasso’s recycling: While the surface of the canvas shows Pablo Picasso’s 1902 painting Mother and Child by the Sea (left; courtesy: Pola Museum of Art, Japan. © Picasso Estate), merging X-ray and PCA hyperspectral infrared images, created by John Delaney and his team at the National Gallery of Art in Washington DC, reveals another picture underneath (right; courtesy: John Delaney, National Gallery of Art, Washington)
When Spanish artist Pablo Picasso painted Mother and Child by the Sea in 1902 (see below), he inadve

You’ve reached the limit of what you can view on Physics World without registering

If you already have an account on Physics World, then please sign in to continue reading

If you do not yet have an account, please register so you can

  • Access more than 20 years of online content
  • Choose which e-mail newsletters you would like to receive

Stephen Ornes is a science writer in Nashville, Tennessee, US, e-mail stephen@stephenornes.com
Read previous

Knit and stretch
Read next

Levelling the physics field

Discover more from Physics World

Related jobs

Related events

Copyright © 2024 by IOP Publishing Ltd and individual contributors