A fractal is any geometric pattern that occurs again and again, at different sizes and scales, within the same object. This "self-similarity" can be seen throughout nature, for example in a snowflake's edge, a river network, ...
Condensed Matter
Oct 17, 2019
5
9851
Unlike fictional laser swords, real laser beams do not interact with each other when they cross—unless the beams meet within a suitable material allowing for nonlinear light-matter interaction. In such a case, wave mixing ...
Optics & Photonics
May 20, 2022
2
295
Before the huge potential of tiny nanocarriers for highly targeted drug delivery and environmental clean-up can be realized, scientists first need to be able to see them.
Nanophysics
May 25, 2021
0
204
(Phys.org)—A team of researchers led by Andrea Maselli of the Institute of Space Astrophysics and Cosmic Physics of Palermo, Italy, has conducted an observational campaign of a group of unassociated radio sources with NASA's ...
A new study published in PeerJ uses modern methods to understand the preservation of unique ichthyosaur fossils. Two new ichthyosaur specimens—one complete animal and one tail—are the first to preserve outer body shape ...
Paleontology & Fossils
Apr 7, 2022
0
1457
Physicists from Ludwig-Maximilians-Universität, the Max Planck Institute of Quantum Optics and the TU München have developed a method using laser-generated X-rays and phase-contrast X-ray tomography to produce three-dimensional ...
General Physics
Aug 14, 2015
1
892
Researchers at the National Institute of Standards and Technology (NIST) have developed a new method of 3-D-printing gels and other soft materials. Published in a new paper, it has the potential to create complex structures ...
Nanomaterials
Sep 22, 2020
0
435
Remarkably well-preserved fossils are helping scientists unravel a mystery about the origins of early animals that puzzled Charles Darwin.
Paleontology & Fossils
Jan 12, 2021
0
1418
The laser that will be the most powerful in the United States is preparing to send its first pulses into an experimental target at the University of Michigan.
Optics & Photonics
Sep 15, 2022
0
80
(Phys.org)—A pair of researchers with Brown University used X-ray video techniques to capture the way a guineafowl makes tracks as part of a project aimed at learning more about preserved dinosaur footprints. In their paper ...
