invisible light

in·vis·i·ble light

historic term for x-rays.
References in classic literature ?
It was a magnificent cave, illumined by the soft, invisible light, so that everything in it could be plainly seen.
There are some bad nights in the kingdom of the West Wind for homeward-bound ships making for the Channel; and the days of wrath dawn upon them colourless and vague like the timid turning up of invisible lights upon the scene of a tyrannical and passionate outbreak, awful in the monotony of its method and the increasing strength of its violence.
It is developing sensor technologies that can quickly measure distances or detect invisible light that are expected to be used in autonomous driving, factory automation and robotics, they said.
We analyzed their potential and show that by harvesting only invisible light, these devices can provide a similar electricity-generation potential as rooftop solar while providing additional functionality to enhance the efficiency of buildings, automobiles and mobile electronics.
Astronomers around the world quickly turned their telescopes and dishes towards a small patch in the southern sky and also saw the flash across the visible and invisible light spectrum.
Neonode, the manufacturer behind the AirBar, claims the device uses a patented technology that projects an invisible light field over the standard MacBook Air display.
Other pieces to check out are the OK lamp by Konstantin Grcic, its light bulb redesigned as an ultra-flat LED surface with edge-lighting technology and can be directed over 360 degrees; and Ipnos by Nicoletta Rossi and Guido Bianchi, a deconstruction of a traditional lantern supporting invisible light sources that can be used outdoors.
The galactic center remains hidden invisible light (bottom row) as well, though hot stars in Trifid and Lagoon radiate pools of hydrogen gas, making them glow.
An animated short film by Invisible Light Network entitled Stay Cool is shown on a video wall composed of 2X4 Christie FHD461-X flat panels.
The Qatar Shell Research & Technology Centre (QSRTC) recently held the latest event in the Tech Talk series 'Understanding and Using Visible and Invisible Light for Energy Production'.
With the help of technology, Invisible light also does a lot for us, and can reveal certain things that are normally hidden from our eyes.
Visitors were able to experiment with time-lapse photography and interact with an infrared thermal camera that exposes invisible light.