That portion of the electromagnetic spectrum in the visible, ultraviolet, and infrared range. | Contact experts in Light to get answers
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The paper is: "On the basic equations of electrodynamics for moving bodies" Hertz, H. (1890). Ueber die Grundgleichungen der Electrodynamik für bewegte Körper. Annalen der Physik, 277(11),...
21 April 2023 2,170 5 View
light is constant speed , how we can use a certain value 3 × 10⁸ m/s for c in equation E = mc² . value of speed of light change in different units of time , nano second , micro second, minute...
21 April 2023 2,931 5 View
I need it for analysis of crystal structure.
17 April 2023 2,618 3 View
This file gives the reasons I believe it does and some constants that change. What have you found along this line and what did it impact...
16 April 2023 1,134 1 View
I'm trying to understand how theoretical powder XRD patterns are calculated in VESTA. I figured one way to learn that without the computer programming based nuances is to just do it in Excel. If...
12 April 2023 3,480 4 View
I attempted to measure the intensity of the light. But I also planned to measure refractive index. We used a laser transmitter and receiver. I use Autonics FD62010, stripped it half (only on 1...
10 April 2023 5,564 1 View
What causes the electromagnetic waves radiated by antennas? Is it the electric field distribution of the antenna?
10 April 2023 739 1 View
Is It True There Are People Live Inside That Under Soil Surface Others Planet Around The Earth Like Jupiter,Mars,Venus,Neptue,Saturn,Urenus And Others Cause They Are Rolling On Magnetic Force And...
08 April 2023 2,512 3 View
Why water in sea is cold during day & warm during night & coastal areas of India do not register a significant variation in temperature during winter & summer?
08 April 2023 4,638 3 View
hello,I am constructing a Cas9-gRNA library using lentiV2 plasmid. My linearized vector has 13000bp, but the sgRNA fragment is only 89bp. If the molar ratio is 1:2 according to the instruction,...
06 April 2023 9,908 2 View
The idea is haunting me since 2015 combining 2 physics experiences which are the young slits and photoelectric effect how ? The screen for Young slits will be a plate of Potassium and we vary...
04 April 2023 1,984 3 View
1. 1. How to Converting PAR data from the sun Quantum [umol/(m^2s)]?to μmol photons/m²/s? To convert Quantum (umol/(m^2s)) to μmol photons/m²/s, you need to multiply the Quantum value by a...
01 April 2023 2,905 1 View
We centrifuged twice at 12000 and 14000 rpm but still no pellet was found.
31 March 2023 8,399 1 View
I am setting up a simulation where I want to see the reflectance from an array of nanoparticle using COMSOL wave optics module. I want to see the reflectance for co and cross polarized light. For...
29 March 2023 5,617 0 View
I was wondering if any researcher or institute have developed an artificial intelligence (AI) system that would assist local farmers in field diagnosis of diseases by simply inputting their...
27 March 2023 3,799 3 View
I have tried to synthesize copper nanoparticles by Chemical synthesis method by using CuSO4.5H2O, Ascorbic acid, and NaBH4. The Mole ratio of taken precursors is 1:2:10 (reported in some papers)....
27 March 2023 6,020 0 View
Black Hole Information Paradox states that every information that is sent inside the black hole never returns back after it goes past the event horizon. Hawking made an approach to solve the...
27 March 2023 8,647 17 View
Hi, I've collected data from a strain of E.coli that has been transformed several times to produce different proteins. The strains have then been exposed to a growth limiting factor. I intend to...
27 March 2023 6,631 1 View
The decisive answer is left to the experts in quantum mechanics, not me. However, another question arises, could this command be rephrased as "Calculate but don't shut up"?
26 March 2023 5,209 6 View
Hello everyone, Can I use 10% formalin to preserve oocyte in order to do IHC later ? if so, is there specific protocol/products to use before or after for a better preservation ? And how long can...
24 March 2023 8,630 2 View
Since, the cosmological constant problem is a unsolved problem and a great challenge to modern physics? The cosmological constant problem arises from the observation that the energy density of...
24 March 2023 2,795 5 View
Dear Colleagues! Tell me a fairly simple, reproducible and effective method for determining phosphorus in soil with an estimate on a spectrophotometer. The task is to teach students to estimate...
24 March 2023 7,685 5 View
It is okay to just deposit the material over the thin films and contact the silver paste. Then illuminate with a particular source of light.
22 March 2023 9,399 2 View
During my field study, I collected Groundwater samples and filtered them sequentially using 0.2um, 50kDa, and 3kDa. But when I analyzed these samples in the Shimadzu TOC analyzer, I got DOC...
22 March 2023 3,376 6 View