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Electromagnetic Waves
Electromagnetic Waves

Polarization of Atoms
Polarization of Atoms

... We will return to this idea when we discuss the force on a current carrying wire in a magnetic field. There is no net interaction between mobile electrons ...
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... conclusive. On the other hand, the Bible declares absolutely in Jeremiah 1:5, “Before I formed the in the belly I knew thee. . .” And in John 14:2,3, “I go to prepare a place for you . . . that where I am there you may be also.” These Bible verses assure Christians that there is life before concepti ...
Lesson 14 - FineTunedUniverse.com
Lesson 14 - FineTunedUniverse.com

... conclusive. On the other hand, the Bible declares absolutely in Jeremiah 1:5, “Before I formed the in the belly I knew thee. . .” And in John 14:2,3, “I go to prepare a place for you . . . that where I am there you may be also.” These Bible verses assure Christians that there is life before concepti ...
Astron 104 Laboratory #5 Colors of Stars
Astron 104 Laboratory #5 Colors of Stars

... Student 1 The peak wavelength for 3000 K is in infrared light. Humans cannot see infrared light, so the bulb is invisible at this temperature! Student 2 Well, the peak is in the infrared, but the bulb still has some intensity in the visible wavelengths. So we can still see the bulb. Student 3 But th ...
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Second Semester Physics Review

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LXeGRIT: The Prototype of a New Gamma Ray Telescope
LXeGRIT: The Prototype of a New Gamma Ray Telescope

... began to hypothesize that there were processes in the universe that would create these high energy waves. It was not until the 1960’s that they developed adequate technology to detect them. Since the first γ-ray detection by the Explorer XI Satellite in 1961, which detected fewer than 100 cosmic γra ...
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... only include effect by electric field “RE” although the derived interaction equation for a charged particle include effects by both electric field (Coulomb force) and magnetic field (Lorentz force). The reason is that we assume the motion of a charged particle as r  r0 eit  r0*e  it which is vi ...
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... smooth curve. However, actual spectra observed from stars have a series of peaks and valleys as shown in the spectrum below, meaning some of their light comes from ”non-thermal” radiation light emitted or absorbed by a process other than random jostling of atoms. With this project, you’ll explore in ...
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... Obesity is a growing economic and health problem, as it increases the risk of development of several clinical conditions including diabetes. Whey proteins, a by-product of cheese manufacture, are increasing being considered as dietary solutions to the obesity problem. We have established that intake ...
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Circular dichroism



Circular dichroism (CD) is dichroism involving circularly polarized light, i.e., the differential absorption of left- and right-handed light. Left-hand circular (LHC) and right-hand circular (RHC) polarized light represent two possible spin angular momentum states for a photon, and so circular dichroism is also referred to as dichroism for spin angular momentum. This phenomenon was discovered by Jean-Baptiste Biot, Augustin Fresnel, and Aimé Cotton in the first half of the 19th century. It is exhibited in the absorption bands of optically active chiral molecules. CD spectroscopy has a wide range of applications in many different fields. Most notably, UV CD is used to investigate the secondary structure of proteins. UV/Vis CD is used to investigate charge-transfer transitions. Near-infrared CD is used to investigate geometric and electronic structure by probing metal d→d transitions. Vibrational circular dichroism, which uses light from the infrared energy region, is used for structural studies of small organic molecules, and most recently proteins and DNA.
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