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Wood's glass is an optical filter glass invented in 1903 by American physicist Robert Williams Wood (1868–1955), which allows ultraviolet and infrared light to pass through, while blocking most visible light. [1]
Robert Williams Wood (May 2, 1868 – August 11, 1955) was an American physicist and inventor who made pivotal contributions to the field of optics. He pioneered infrared and ultraviolet photography .
Infrared heaters can be operated in vacuum or atmosphere. One classification of infrared heaters is by the wavelength bands of infrared emission. Short wave or near infrared for the range from 750 nm to 1.4 μm; these emitters are also named "bright" because still some visible light is emitted; Medium infrared for the range between 1.4 μm and ...
Infrared (IR; sometimes called infrared light) is electromagnetic radiation (EMR) with wavelengths longer than that of visible light but shorter than microwaves. The infrared spectral band begins with waves that are just longer than those of red light (the longest waves in the visible spectrum ), so IR is invisible to the human eye.
InfiRay, also known as IRay, [3] fully referred to as IRay Technology Co., Ltd., [4] is a Chinese optical components manufacturer [5] founded in 2009. [6] The company specializes in the production of consumer-grade thermal infrared imagers, [7] especially tiny thermal cameras. [8]
The theater hosting Jesse Williams' play is taking action after nude footage of him onstage leaked online. In the wake of the leak, Second Stage Theater is "adding additional staff" and has ...
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