The lux (symbol: lx) is the unit of illuminance, or luminous flux per unit area, in the International System of Units (SI). It is equal to one lumen per square metre. In photometry, this is used as a measure of the intensity, as perceived by the human eye, of light that hits or passes through a surface. It is analogous to the radiometric unit watt per square metre, but with the power at each wavelength weighted according to the luminosity function, a standardized model of human visual brightness perception. In English, "lux" is used as both the singular and plural form. The word is derived from the Latin word for "light", lux. (Wikipedia).
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From playlist We are like this only
Subscribe to our YouTube Channel for all the latest from World Science U. Visit our Website: http://www.worldscienceu.com/ Like us on Facebook: https://www.facebook.com/worldscienceu Follow us on Twitter: https://twitter.com/worldscienceu
From playlist Science Unplugged: General Relativity
月周回衛星「かぐや」のHDTVが観測したオリエンタレ・ベイスン (C)JAXA/NHK
From playlist Earth's place in Solar System - Jaxa
月周回衛星「かぐや」のHDTVが観測したアルキメデス (C)JAXA/NHK
From playlist Earth's place in Solar System - Jaxa
Funny Hyderabadi Bralvi Molana.......
From playlist Humor
India's Taj Mahal Is an Enduring Monument to Love | National Geographic
The Taj Mahal is widely considered one of the most beautiful buildings ever created. The exquisite marble structure in Agra, India, is an eternal testament to the artistic and scientific accomplishments of a wealthy empire. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geograp
From playlist News | National Geographic
Lux JupyterCon2020 Lightning Talk
Lightning Talk for Lux at JupyterCon 2020. Lux is an open-source Python API that supports fast and easy experimentation with data through visualizations. For more information: https://github.com/lux-org/lux
From playlist JupyterCon2020
What makes green lasers the BEST lasers?
Green lasers have both advantages and disadvantages. For safety reasons I have so far focused on telling about the possible infrared leakage from some types of green lasers. To a point where it seems like I wouldn't recommend green lasers at all... But I do! They have a big advantage that
From playlist Lasers
Disraeli - Radio drama starring George Arliss - 1938
Episode 159 from the Radio Anthology Series 'Lux Radio Theatre'. Broadcast on 17 January 1938. Starring George Arliss as Benjamin Disraeli Featuring Florence Arliss as Lady Beaconsfield Pat Paterson as Clarissa
From playlist Radio Drama
月周回衛星「かぐや」のHDTVが観測した雨の海と虹の入り江 (C) JAXA/NHK
From playlist Earth's place in Solar System - Jaxa
Goodbye, Mr. Chips (1939) - Laurence Olivier & Edna Best - Special guest James Hilton
Goodbye, Mr. Chips by James Hilton Radio drama starring Laurence Olivier and Edna Best. Featuring special guest James Hilton. Episode of radio anthology series 'Lux Radio Theatre'. Broadcast on 20 November 1939.
From playlist Radio Drama Starring Laurence Olivier
In an effort to find Dark Matter, what did we find? Let's zero in on the matter. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow
From playlist SciShow Space
Collaborate With Son Lux | Ryan Lott | The Art Assignment
Pre-order our book YOU ARE AN ARTIST (which includes new assignments!) here: http://bit.ly/2kplj2h Ryan Lott, also known as Son Lux, is a musician and composer who works in collaboration. His assignment for this week offers an opportunity for YOU to collaborate with his music. Sarah then
From playlist Assignments with Sound | The Art Assignment
EEVblog #764 - New Lab Ceiling LED Lighting Installation
Dave installs a new LED lighting system in the EEVblog lab, with 9 x 60W 600mm 5000k ceiling LED panels. A look at hermaphroditic connectors. What kind of lux improvement is there on the bench? Has the colour rendering index (CRI) changed things? They cost how much? http://www.lumin-lighti
From playlist LED Lighting
PHYS 201 | EM Plane Waves 9 - Photometry
Photometry gives us several quantities to characterize light as we see it with our eyes. -----Light and Glass playlist - https://www.youtube.com/playlist?list=PL9_sR6QqqcymZOwSp8hynhGeNTdEQp3Ji -----Use the channel, or take the courses at edX - https://www.edx.org/course?search_query=hafne
From playlist PHYS 201 | Light and Glass
Solving (LU)x = b | Lecture 15 | Matrix Algebra for Engineers
How to solve a system of linear equations using the LU decomposition. Join me on Coursera: https://www.coursera.org/learn/matrix-algebra-engineers Lecture notes at http://www.math.ust.hk/~machas/matrix-algebra-for-engineers.pdf Subscribe to my channel: http://www.youtube.com/user/jchas
From playlist Matrix Algebra for Engineers
EEVblog #364 - LED Ceiling Panel Lighting Install
Installing Doug's 60W diffused ceiling LED light panels in the lab. And a look inside a typical office ceiling crawl space. http://www.dfad.com.au Dave also demonstrates depth of field for video camera shots. EEVblog Main Web Site: http://www.eevblog.com EEVblog Amazon Store: http://astor
From playlist LED Lighting