Using air to deflect lasers
Using a novel method, beams of laser light can be deflected using air alone. An invisible grating made only of air is not only immune to damage from the laser light, but it also preserves the original quality of the beam, reports an interdisciplinary.....»»
NASA Really Wants Its Spacecraft to Slam Into an Asteroid
The DART mission is scheduled to launch early Wednesday. It will crash into an asteroid to see if it's possible to deflect one......»»
NASA"s DART Mission Could Help Cancel an Asteroid Apocalypse
Our planet is vulnerable to thousands of “city-killer” space rocks. If—when—one is found on a collision course with Earth, will we be ready to deflect it? -- Read more on ScientificAmerican.com.....»»
Cool Crowdfunding: Keypads, Robot Arms, and Lasers
These crowdfunding campaigns might be worth your time to check out The post Cool Crowdfunding: Keypads, Robot Arms, and Lasers appeared first on Make: DIY Projects and Ideas for Makers......»»
NASA to deflect asteroid in test of "planetary defense"
In the 1998 Hollywood blockbuster "Armageddon," Bruce Willis and Ben Affleck race to save the Earth from being pulverized by an asteroid......»»
New tool to investigate more effective cancer treatment
Researchers at Queen's University Belfast have discovered a new tool that will help to investigate more effective forms of cancer treatment. Using high-powered lasers, the experts have been able to generate a 'pure beam' of carbon ions with unique pr.....»»
The crystal symmetry dependence of high-harmonic generation in monolayer dichalcogenides
The light-matter interaction has long been one of the most advanced areas in physics. Recently, it has attracted more attentions due to the rapid development of ultra-short lasers, and a variety of ultra-fast phenomena have been experimentally achiev.....»»
A strategy that could enable control over the coherence properties of light emitted by lasers
Over the past few years, physicists and engineers worldwide have developed a growing number of advanced optical technologies and photonic devices, which can be used to emit, detect or manipulate light. The ability to easily control the coherence prop.....»»
Getting NASA data to the ground with lasers
NASA launches satellites, rovers, and orbiters to investigate humanity's place in the Milky Way. When these missions reach their destinations, their science instruments capture images, videos, and valuable insights about the cosmos. Communications in.....»»
Adult stem cells transform faster with two lasers
Stem cell therapy requires a lot of human cells of a specific type. Shining a near-infrared laser on adult stem cells derived from human body fat makes the stem cells replicate 54% faster. Following that up with a green laser enables the stem cells t.....»»
New synthesis process paves way for more efficient lasers, LEDs
Researchers from North Carolina State University have developed a new process that makes use of existing industry standard techniques for making III-nitride semiconductor materials, but results in layered materials that will make LEDs and lasers more.....»»
Photon-counting distributed free-space spectroscopy
Remote sensing of atmospheric gas plays an important role in the fields of greenhouse gas monitoring, toxic, harmful, flammable, explosive gasses, and biochemical weapons early warning. With the advent of quantum mechanics and lasers, precise spectra.....»»
A traffic light for light-on-a-chip
Integrated photonics allow us to build compact, portable, low-power chip-scale optical systems used in commercial products, revolutionizing today's optical datacenters and communications. But integrating on-chip optical gain elements to build lasers.....»»
Creating and studying radioactive molecules advances nuclear structure and fundamental symmetry studies
An international team performed the world's first measurement of how the size of the radium nucleus modifies the structure of molecules containing different radium isotopes. The research used a combination of lasers and ion traps at the Isotope mass.....»»
Quantum circuit black hole lasers to explore Hawking radiation
The fundamental forces of physics govern the matter comprising the universe, yet exactly how these forces work together is still not fully understood. The existence of Hawking radiation—the particle emission from near black holes—indicates that g.....»»
Lasers to probe origin of life on a frigid moon and take the space-time pulse of star-shattering collisions
On Saturn's giant moon Titan, liquid methane and other hydrocarbons rain down, carving rivers, lakes and seas in a landscape of frozen water. The complex chemistry on this icy world could be analogous to the period when life first emerged on Earth, o.....»»
Is that bear fat or just chonky? Lasers may help scientists find out
One mid-September evening in 2018, Joel Cusick found himself pointing a laser scanner at the butt of a bear named Otis......»»
Cracking open strong field quantum electrodynamics
A newly published theoretical and computer modeling study suggests that the world's most powerful lasers might finally crack the elusive physics behind some of the most extreme phenomena in the universe—gamma ray bursts, pulsar magnetospheres, and.....»»
World premiere for virtual laser lab "femtoPro"
In everyday life, we know lasers from numerous applications such as the laser printer or the supermarket scanner. Industrially, lasers are used in material processing for cutting, drilling and labeling, and in medicine for diagnostic and therapeutic.....»»
A 3D-Printed Chicken Breast Was Cooked With Frickin’ Lasers
Engineers at Columbia University developed a system that can simultaneously produce and heat food with precision......»»
Tiny lasers acting together as one: Topological vertical cavity laser arrays
Israeli and German researchers have developed a way to force an array of vertical cavity lasers to act together as a single laser—a highly effective laser network the size of a grain of sand. The findings are presented in a new joint research paper.....»»