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Harmful gases could be detected on-the-spot with new way to generate powerful lasers. From phys.org.
Probing for THz radiation directly at the source. From phys.org.
Wood Laser Cutter-The Best Ways to Laser Cut Wood
from phys.org
Roughness Control of Surfaces Using a LaserProfil
Sensing food temperature and freshness using laser-induced graphene on eco-friendly and biodegradable commercial paper
NASA collaborating on European-led gravitational wave observatory in space. From phys.org.
High-power fiber lasers emerge as a pioneering technology. From phys.org.
Manipulating multiple lasers on a single chip for a new generation of quantum devices. From phys.org
Self-folding origami machines powered by chemical reactions
'Diamond rain' on giant icy planets could be more common than previously thought
New procedure allows micro-printing inside existing materials with greater accuracy
Microbot toys demonstrate how biological machines move
A sleeker facial recognition technology tested on Michelangelo's David. From phys.org.
In this work we present preliminary results on the application of laser cleaning to palaeontological findings, such as fossils included in various stone matrices. Laboratory tests were carried out on samples of fossil bones of mammals collected from Italian sites by using a Nd:YAG laser system developed for the conservation of stone artworks. Prior to undergoing laser treatment, bones and stone matrices were characterised by mineralogical and petrographical examinations. Objective observations during the procedure, as well as post-cleaning analyses indicated that laser cleaning can provide high precision and control in the removal of stone layers from the surface of fossils. From ResearchGate
Playing all the angles: A high-contrast grating structure for direction-tunable lasing. From phys.org.
A possible strategy for a tabletop chiral attosecond laser. From phys.org.