Which Laser Should You Buy?
Makers are confronted with so many choices of laser cutters and engravers that it can be intimidating. Here's a rough outline of the main differences between the lasers on the market today. The post Which Laser Should You Buy? appeared first on Make.....»»
Real-time Linux is officially part of the kernel after decades of debate
Now you can run your space laser or audio production without specialty patches. Enlarge / Cutting metal with lasers is hard, but even harder when you don't know the worst-case timings of your code. (credit: Getty Images).....»»
Tracking plasma progression in a picosecond: Physicists develop ultra-fast laser method to study high-density plasmas
In a few picoseconds (trillionths of a second), a small, thin piece of copper momentarily becomes dense plasma, specifically a state called warm dense matter, warm being a relative term—the metal is nearly 200,000 degrees Fahrenheit. With the short.....»»
This Hisense laser projector creates an 80 to 120-inch screen for $500 off
The Hisense laser projector on sale at Best Buy today (PL1 X-Fusion) will create anywhere from an 80-inch screen up to 120-inches. A real home movie theater......»»
Generating spin currents directly using ultrashort laser pulses
An international team of physicists has found that it is possible to generate spin currents directly using certain kinds of ultrashort laser pulses. In their study, published in the journal Physical Review Letters, the group used a linearly polarized.....»»
Neural network improves tunable diode laser absorption spectroscopy quantification accuracy
A research group from the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences recently developed a neural network-based absorbance recovery method to improve the accuracy of single path tunable diode laser absorption spect.....»»
CNC & Laser Engraved Coin Bank: SainSmart Anniversary Project
To celebrate SainSmart’s anniversary, Windsor Woodcraft, a dedicated SainSmart customer, embarked on a creative project to design and build a wooden and acrylic coin bank. Using the Genmitsu PROVer XL 4030 V2 CNC machine and the Genmitsu L8 20.....»»
ChemCam hits 1 million laser shots on Mars since 2012
The ChemCam instrument, developed at Los Alamos National Laboratory, recently zapped its laser for the 1 millionth time on Mars. Sitting on top of NASA's Curiosity rover, ChemCam has been helping make groundbreaking discoveries since 2012......»»
Sony’s new 4K laser projectors have the processing brains of its Bravia OLED TVs
Sony announced two new high-end 4K laser projectors, the Bravia 8 and Bravia 9, that feature the same XR processing as its high-performing Bravia TVs......»»
High-sensitivity laser heterodyne radiometer developed for remote sensing of atmospheric water vapor, isotopes
A research team led by Prof. Gao Xiaoming from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences developed a near-infrared laser heterodyne radiometer (LHR), that could greatly improve water vapor measurements in the atmosph.....»»
Samsung adds two more ultra short throw projectors to its Premiere lineup
The Samsung Premiere 9 and Premiere 7 add two very capable laser projectors to the company's ultra short throw lineup......»»
Research team uses tunable laser to develop straightforward broadband spectroscopy method with Hz-level precision
Since the first demonstration of the laser in the 1960s, laser spectroscopy has become an essential tool for studying the detailed structures and dynamics of atoms and molecules. Advances in laser technology have further enhanced its capabilities. Th.....»»
Don’t call it boring — this printer was an absolute joy to use
I reviewed HP's Color LaserJet Pro 4201dw to find out if this affordable color laser printer has good quality and long-term value......»»
3D laser printing with bioinks from microalgae
Microalgae such as the diatom Odontella aurita and the green alga Tetraselmis striata are especially suitable as "biofactories" for the production of sustainable materials for 3D laser printing due to their high content in lipids and photoactive pigm.....»»
Invisible laser beam detects what a MacBook user is typing
A whitehat hacker has demonstrated the use of an invisible laser beam to detect what a MacBook user is typing, from a distance, through a window, without being able to see the keyboard … more….....»»
3D terrestrial laser scanner assists in reconstructing glacier"s mass balance sequence
Complex topography of glacier surfaces under accelerating global warming presents unprecedented challenges to traditional methods of glaciological observation due to intense fragmentation and differential melting......»»
Can quantum particles mimic gravitational waves?
When two black holes collide, space and time shake and energy spreads out like ripples in a pond. These gravitational waves, predicted by Einstein in 1916, were observed for the first time by the Laser Interferometer Gravitational-Wave Observatory (L.....»»
NASA, JAXA bounce laser beam between moon"s surface and lunar orbit
NASA's LRO (Lunar Reconnaissance Orbiter) has twice transmitted a laser pulse to a cookie-sized retroreflector aboard JAXA's (Japan Aerospace Exploration Agency) SLIM lander on the moon and received a return signal......»»
Save your data on printable magnetic devices? New laser technique"s twist might make this reality
The proliferation of all things digital doesn't mean that printing technology is no longer relevant. In fact, printing technology is required to make the semiconductors necessary for the digital world. And as an Osaka Metropolitan University-led team.....»»
NASA streams first 4K video from aircraft to space station and back
A team at NASA's Glenn Research Center in Cleveland has streamed 4K video footage from an aircraft to the International Space Station and back for the first time using optical (laser) communications. The feat was part of a series of tests on new tech.....»»
Organic polymer blend microspheres exhibit ultra-low threshold lasing with highest reported quality factor
Researchers at IMDEA Nanociencia have fabricated high quality microspheres from conjugated organic polymer blends with excellent lasing properties. The laser emission of the microspheres has the highest quality factor reported to date, Q>18,000......»»