Why can we only “see” reflected light?
Does light travel through a waveguide faster than electricity through a wire
04 May 2017 1,746 0 View
Does light change phase when reflecting off a metal surface?
04 May 2017 4,491 2 View
Is glass considered as a linear optical medium?
03 April 2017 2,017 0 View
For light in a medium, can phase information be extracted from envelope slowdown?
03 April 2017 9,179 0 View
How much light can pass through a point?
03 April 2017 2,923 0 View
What happens to scattered light when intensity of light increases?
03 April 2017 9,993 1 View
Why can't light move electrically charged objects?
03 April 2017 4,440 0 View
How do we calculate the irradience of an EM wave?
03 April 2017 9,388 0 View
Is there a way to physically resolve elliptically polarized light into circularly polarized components?
03 April 2017 4,710 0 View
Why do light rays going to infinity form a real image?
03 April 2017 9,493 0 View
In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...
03 March 2021 1,682 3 View
Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....
02 March 2021 7,890 2 View
When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...
27 February 2021 6,326 2 View
Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...
24 February 2021 8,625 4 View
I want to illuminate a scene (small space) using LED to capture photographs or videos of some tiny objects inside the space. But am not sure if I should use a Laser LED, or simple LED or power...
22 February 2021 4,240 4 View
20 February 2021 2,840 3 View
The regenerated cellulose film was prepared by zinc chloride/H2O system. The zinc chloride had been washed away in the regeneration process, and the wet film which was not dried had uniform...
18 February 2021 9,538 1 View
18 February 2021 8,390 3 View
Dear colleagues, I was just wondering if you can suggest a good method to get a rough estimation to the concentration of O2 and H2O inside the glove box as unfortunately, our glove box doesn't...
17 February 2021 1,012 3 View
I need to do novel tank test and light/dark test for zebrafish. So I need a tracking software for tracking in these tests. Is there any free softwares available for tracking of zebrafish ?
16 February 2021 1,541 1 View
