Is there any systematic approach to train brain for creativity work?

It is said that right brain does creative work and left brain does analytical work. I read a book 'How to think like Leonardo Da Vinci'. The author is Michael J. Gelb. I'd like to read more, the...

08 September 2018 8,299 0 View

I want to establish a water quality testing lab. what are the requirements and what permissions are necessary in India?

A good quality potable water is a prime necessity. I want to establish a good quality lab. Need guidance. Please help.

03 April 2018 8,528 0 View

Which technique is better for permanent hair removal, 808 diode laser or IPL?

I'd like to know advantages and disadvantages of 808 nm diode laser and Intense Pulsed Light (IPL) machines for permanent hair removal.

10 November 2017 1,077 2 View

How the laser is used for the surgery of eye color change?

I read, The color of the eye can be converted from brown to blue. That's why the question is raised in my mind. Which wavelength is used for this operation.

10 November 2017 4,001 4 View

Do you think the evolution of the mankind is always in the positive and right direction?

31 December 2016 734 8 View

Can anybody explain me the working of rods and cones as a photo receptor in eyes?

08 September 2016 8,511 7 View

In Intense Pulsed Light (IPL), is it necessary to use filters? What are the advantages of using filters in IPL?

I think it is not necessary to use filters in Intense Pulse Light therepy.

01 January 1970 3,023 5 View

Fascism increasing all over the world.

Now a days the Fundamentalism is more dominating to humanity thinking. The terrorists attacks on the innocents has increased considerably. Let's discuss the solution of this problem. The common...

01 January 1970 4,102 2 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

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

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

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

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View

In an eye with Tyndall, does each dot correspond to an individual cell?

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

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View

How can I obtain time series data by country on night-time light (brightness) ?

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

What are difference between laser diodes, simple light emitting diodes and power light emitting diodes when operated in the visible spectrum ?

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

How to interpret this FTIR spectrum of pyrolyzed hydrochar?

20 February 2021 2,840 3 View

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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