PPT-The Duality of Light

Particular and Wavelike Kristine Lister Early Findings 1670s Christian Huygens points on a wave as new sources Isaac Newton corpuscular theory Youngs Double Slit Diffraction Late 1800s to Early 1900s. 11 detection ranges 147 to 1617 mm Light Curtains Light curtains are installed as safeguarding measures for personnel where A safety guard cannot be installed due to structural reasons A safety guard is openedclosed frequently Safety guards are not The Hunchback of Notre Dame. The Hunchback of Notre Dame. By Victory Hugo. Published in 1831. The story is set in 1482. BACKGROUND. Outsiders. The Island of Misfit Toys. One theme of the novel is: Outsiders.. Grade 8 Science. Incandescent. “Hot Light. ”. An . object that can be heated to such a high . temperature that it emits light.. Luminescent. “Not Hot . Light. ”. Light . that does not need to be hot to glow. . Ultraviolet (UV) light falls in the range of the EM spectrum between visible light and X-rays. UV . light, which comes from the sun, is invisible to the human eye. .. It . makes black-light posters glow, and is responsible for summer tans — and sunburns. AP English IV. Dual Credit 1302. A look-alike, literally a “double-goer”. An alter ego. A paranormal double of a living person. A doppelgänger is often perceived as a sinister form of bilocation and is regarded by some to be a harbinger of bad luck. In some traditions, a doppelgänger seen by a person's relative or friend portends illness or danger while seeing one's own doppelgänger is said to be an omen of death.. Lecture 4. Announcements. HW 1 due today.. HW 2 up on course webpage, due on Thursday, Sept. 18.. “Small quiz” in recitation on Monday, Sept. 15 on material from Lectures 1,2. Agenda. Last time:. Materials can be. . Transparent. - A material that transmits (allows through) light unaffected. . Translucent. - A material that transmits light but scatters it into different directions . . Opaque. Can you think of a method to have the robot follow the line using turns? Describe how it would work.. 2. Pre-Activity Quiz. How does a light sensor work? Does the light sensor detect white or black as a higher amount of light reflectivity? Absorbance?. Dispersion of light. Visible light = full spectrum . wavelengths range from 400 nm to 700 nm. Different wavelengths have ever so slightly different indices of refraction when passing through materials such as glass, plastic, or water (and probably others). Aileen O’Donoghue. July 20 – 21, 2018. The Incarnation. “The Word was coming into the world –. Was in the world –. and though the world was made through the Word,. the world didn’t recognize it.. Light. Light. Properties and Interactions. What is Light?. Light. is a form of energy emitted by the Sun..  . What is Light?. Light. is a type of energy that travels as an electromagnetic wave.. Siye Wu (KITP Langlands Duality 8-8-08) S-duality in Vafa-Witten theoryPage 2 Siye Wu (KITP Langlands Duality 8-8-08) S-duality in Vafa-Witten theoryPage 3 Siye Wu (KITP Langlands Duality 8-8-08) S-du The elementary particle that defines light is the photon.. There are 3 basic dimensions of light. Intensity (amplitude) which is related to the perception of brightness. Frequency (wavelength), perceived as colour. Black is the absence of light.. This font is black because no light is shining here. . The light shines all around it making white. . Mixing colors. By mixing different colors you can create new colors..