The Carambolo Treasure is an assemblage of gold items of the first millennium BCE, whose origin has for about 50 years been the epicentre of a heated debate. New chemical and isotopic analyses, carried out by the UPV/EHU's ...
Archaeology
Apr 26, 2018
0
19
Using ultrashort laser pulses lasting a few picoseconds (trillionths of a second), Lawrence Livermore National Laboratory (LLNL) researchers have discovered an efficient mechanism for laser ablation (material removal) that ...
Optics & Photonics
Apr 4, 2019
0
120
Next to global warming, ocean acidification is currently considered as the second major carbon dioxide problem. With the increase of carbon dioxide (CO2) in the atmosphere larger quantities of the gas are getting into the ...
Environment
Feb 23, 2015
2
194
Residual processing defects significantly reduce fused silica optics' laser-induced damage threshold (LIDT), which seriously limits their performance and lifetime in high-energy laser applications. Extensive research has ...
Optics & Photonics
Sep 28, 2023
0
5
A microscopic shock wave has been photographed passing through a single biological cell, thanks to a new photography technique. Nanosecond photography uses ultrafast electronic cameras to take images at the speed of a billionth ...
Optics & Photonics
Dec 21, 2023
0
3
Polymer coating is widely used as a protective layer in various fields such as surface anti-corrosion, anti-penetration and anti-impact. How to enhance the mechanical properties of coatings such as impact resistance is important ...
Polymers
Oct 12, 2023
0
4
A laser technique best known for its use to remove unwanted tattoos from the skin is finding a second life in preserving great sculptures, paintings and other works of art, according to an article in ACS' monthly journal, ...
Analytical Chemistry
Feb 24, 2010
0
0
Laser ablation in liquid is a scalable nanoparticle production method in areas like catalysis and biomedicine. Different energy dissipation channels, such as absorption by the liquid and scattering at the ablation plume and ...
Optics & Photonics
Oct 3, 2022
0
6
A novel origami-based heat shield developed with ESA support is planned to be tested with an actual atmospheric reentry from space. Named Pridwen, after the legendary shield of King Arthur, this reusable design will spring ...
Space Exploration
May 17, 2023
0
30
Scientists at the Fraunhofer Institute for Material and Beam Technology IWS in Dresden have developed a joining gun that creates a connection between metal and thermoplastic materials within seconds. This gun is of a modular ...
Materials Science
Jan 24, 2019
0
5
