We analyze here a wide sample of carbonaceous chondrites from historic falls (e.g. Allende, Cold Bokkeveld, Kainsaz, Leoville, Murchison, Murray and Orgueil), and from NASA Antarctic collection in ...

An established tool for the authentication and conservation of fine art paintings, Fourier-transform infrared spectroscopy (FTIR) typically requires the removal of small sample sections for analysis.

Whether written invisibly with lemon juice or encrypted with complex math, secret messages are passed on through a myriad of bizarre and convoluted ways. A team of engineers from China is introducing ...

Infrared sources: front and back of a human hand, which researchers in China have used to reveal a secret message. (Courtesy: Evan-Amos/CC BY-SA 3.0) The human hand can be used as an infrared ...