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Shadow of light? Scientists make laser beam cast shadow for the first time
This could enable new tech for controlling light with light, opening doors to advanced fabrication, imaging, and illumination techniques.
Scientists discover laser light can cast a shadow
Can light itself cast a shadow? It may sound like a philosophical riddle, but researchers have found that under certain conditions, a laser beam can act like an opaque object and cast a shadow. The discovery challenges the traditional understanding of shadows and opens new possibilities for technologies that could use a laser beam to control another laser beam.
A Laser Beam Has Blocked Light – Are Lightsabers Next?
The technique works because the green laser (wavelength 532 nanometers) changes the way the crystal responds to some other wavelengths of light, including the 450 nm of the blue laser. Consequently, the crystal now serves to block the blue laser’s path, creating a shadow on a nearby screen.
Scientists Discover Lasers Can Block Light And Cast a Shadow
Light shines; photons travel until they hit an object through which they cannot pass; this blockage creates a shadow, a little piece of darkness where the light has been impeded. Physicists, however,
1d
on MSN
Laser attack dazzled air ambulance crew
The crew of an air ambulance were dazzled by a laser pen which was shone at their aircraft during an emergency callout. The ...
New Atlas
12h
Light itself casts a shadow in bizarre laser experiment
It turns out that if you manipulate a
laser
just right, then hit it side-on with another light source, it’s possible to ...
Optics
48m
LZH debuts latest developments in laser AM at Formnext 2024
Also at Formnext, LZH will be featuring components that could be used for an efficient hydrogen incineration; showing how ...
23h
Laser Storms: Physicists Create “Light Hurricanes” for 16x Faster Data Transmission
Scientists discovered a way to encode more data into light by creating light vortices with quasicrystals. This method could ...
Impacts
2d
Top 5 Best Laser Levels in 2024
Laser
levels are essential tools for obtaining accurate alignment and measurements in DIY projects, remodeling, and ...
Optics
1d
nLight finalizes 50kW laser design for air defense
“On this program, nLight is responsible for delivering a 50 kilowatt high-energy laser to a prime contractor. And during the ...
1h
3D Laser Shows To Illuminate Kashi’s Dev Deepawali Festival
Experience dazzling 3D laser shows in Kashi this Dev Deepawali, showcasing the rich history and spiritual essence of Varanasi ...
10h
Epic Theatres to reopen 16-screen St. Augustine location featuring IMAX with Laser
The 16-screen Epic Theatres of St. Augustine will feature custom stadium recliners, a 12-channel sound system and next gen 4K ...
4d
Can Laser Caps Treat Male Pattern Baldness?
If you’ve ever searched for hair loss treatments, you may have stumbled across something called laser hair growth caps. Less ...
Push Square
17h
Unique Puzzler Lorelei and the Laser Eyes Seems Set for PS5, PS4
It appears Lorelei and the
Laser
Eyes will be making its way to PS5 and PS4 following an initial Nintendo Switch launch ...
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