Merry Christmas! How was the exact date of Christmas (December 25) was calculated?

Rakesh Yashroy @Rakesh_Yashroy

01 January 1970 0 6K Report

Ancient dates are normally calculated on the basis of stars and constellations mentioned in the scriptures.

Badges
Science topic

More Rakesh Yashroy's questions See All

How far complementarity exists between solution NMR data and X-ray diffraction studies of macromolecular structures in Biology?

There should be understandable correlation between structural biology and physiological function, e.g.,...

03 April 2016 4,570 3 View

Is not an article published by making payment an advertisement?

Most online journals ask for payment for publishing research/review articles, under the pretext that no one is making money in the process. Is it really so.

02 March 2016 8,697 5 View

Do gram positive microbes bleb out membrane vesicles?

Gram negative microbes signal their environment via outer membrane vesicles http://en.wikipedia.org/wiki/Bacterial_outer_membrane_vesicles

05 June 2014 1,038 0 View

Does the term 'ultrastructure' include electron microscopy alone?

Is ultrastructure, seeing smaller than light microscopy http://pediaview.com/openpedia/Ultrastructure ?

04 May 2014 9,576 2 View

Should scientist be first a good citizen?

Should scientists feel social responsibility in choosing research projects.

04 May 2014 2,254 2 View

Why are viral infections, including the common cold, difficult to treat?

Antibiotics are given to safe guard against secondary bacterial infections due to reduced immunity during viral infections.

03 April 2014 5,406 5 View

What is the best time, pre- or post-meal, to take a dose of probiotics?

How to get the best health results from probiotics.

02 March 2014 5,722 2 View

Are multi-authored research papers cited more than single-author ones?

Is there any doubt or bais against citing single-authors research papers?

01 February 2014 4,103 2 View

Does theoretical research have a much value in biosciences?

Most mark in bioscience research has been made by experimental and instrument-based research. Was DNA double helix breakthrough more theoretical?

01 February 2014 5,961 0 View

What is a 'good' question?

Can a question be called 'good' if it is difficult to answer, or else, it generates interesting discussion?

01 February 2014 5,588 13 View

Is it possible to plot the atom-projected band structure using GPAW?

Hi, I'm currently working on a project where I need to plot the atom-projected band structure using GPAW. I've been able to calculate the band structure for my material, but I'm having trouble...

07 August 2024 269 3 View

Why Orca calculations take too loong?

Hello! I am trying to calculate the sumatriptan molecule, but it has been counting for five days and it does not stop. It seems to me that it is too long and I am doing something wrong. Please...

25 July 2024 3,364 5 View

How to maintain the drug concentration in cell culture study for long term?

I am working in the filed of long acting drugs with Nano formulation. I want to study the efficacy of my formulation in 2D cell cultures while this required media change on every two days. In such...

24 July 2024 8,696 0 View

MDCI module in Orca software?

Dear Researchers, My question is associated with the "MDCI" method in Orca. Please let me clarify my question using a simple example: Suppose we are going to perform CBS extrapolation using "!...

21 July 2024 1,632 0 View

What are the factors that hinder a high performance culture?

What are the specific factors that hinder implementation of a high performance culture and what are the mechanisms that could be employed to support implementation. These factors could be at...

20 July 2024 8,529 2 View

Should a defect induced structure be optimized in a DFT calculation?

I'm trying to study the effects of introducing vacancy defects in my material. If I optimize my structure and find the lattice parameter before introducing vacancy, should I again optimize my...

18 July 2024 1,794 2 View

Every star like the sun is at a stationary position. Am I right?

The earth has a orbit, but not for the sun. Similarly, all planets have orbits, but not for stars like the sun.

18 July 2024 1,768 4 View

What is wrong about this model of Universe?

A universe model compatible with VSLT The research of Halton Arp and Eric Lerner supports a stationary universe, and the intrinsic nature of redshift, i.e. not linked to its presumed expansion...

14 July 2024 4,092 5 View

Do you think that political decisions are made in the process of declaring World Heritage sites?

WHS, Cultural Heritages, protected area, UNESCO,ICCROM, ICOMOS...

10 July 2024 3,556 12 View

What is the recommended type of pseudopotentials for QE?

Hello dear colleagues and professors Please what is the recommended type of pseudopotentials for QE? ultrasoft or norm conserving?? And from where get all types of pseudos (us, nc, pbe,...

09 July 2024 9,541 5 View