If The Star Sirius Was Described As Red In Historical Times, Why Is It White Now?

Several classical age writers described Sirius as red or reddish or more red than Mars, along with other red and orange stars that are still the same colors described in the past. Sirius has...

05 January 2021 1,080 2 View

Can Anything Pass From One Universe To Another?

Roger Penrose in the book Cycles Of Time requires all mass and energy to be converted to electromagnetic radiation. This is the sequential end of time in an old universe 3D not 4D and the setting...

02 January 2021 9,086 3 View

Does The Ending Of An Old Universe Cause The Beginning Of A New Universe?

Roger Penrose has promoted his book Cycles Of Time as an alternative view of Universe early beginnings. Along with other researchers he finds faint circles of temperature variations in the CMB...

02 January 2021 7,251 4 View

How Does The Higgs Field Relate To The Dirac Sea Of Energy?

Dirac and others combined the physical properties of vacuum space to predict a large energy in space, sometimes described in Planck units. Other researchers looked into the vacuum and found little...

12 October 2020 8,930 3 View

Why Is Planck h Constant In General Relativity?

Albert Einstein departed from constant light speed in General Relativity in his 1921 lectures at Princeton. The reference is given in his equation 107 where L is the ratio between local light...

11 October 2020 5,847 16 View

Can I use a mixed questionnaire or mixed questions (closed and open-ended) in qualitative research?

Thanks to everyone for your support. NOW, MORE CLARIFICATION ON WHAT I AM TALKING ABOUT IM MY RESEARCH. SEE BELOW. Can I use a mixed questionnaire or mixed questions (closed and open-ended) in...

02 October 2020 7,912 14 View

How to remove Horizontal and vertical lines only from an Image?

A handwritten checked or big square kids maths notebook contains horizontal(H) and vertical(V) lines. Removal of either one H/V lines are possible, that to with the loss of information.Again there...

02 October 2020 9,660 1 View

Is there anyone that can help me with references to buttress the use of both closed and open-ended questions for qualitative research?

Please, I need references that support the use of structured questionnaires with closed and open-ended questions for qualitative research.

27 September 2020 3,141 5 View

I am carrying out research using qualitative research method. Please, can I use a structured questionnaire with closed and open ended questions?

I am carrying out research on competitive intelligence (Establishing an Integrated Competitive and Economic Intelligence Framework and Index to Enhance Competitiveness of Nigerian Firms) using a...

26 September 2020 8,235 37 View

Why Does Local Collapse Of False Vacuum Propagate To All The Universe?

Published research by others is claiming that once a collapse of false vacuum begins it cannot be stopped, and propagates everywhere at light speed. In a large universe billions of years elapse...

20 September 2020 9,347 1 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

Where can I find atmospheric measurement profiles (temperature, density, etc.) between 300-800 km altitude?

I am investigating thermospheric mass density profiles between 300-800 km altitude. I would like to compare the variability with other parameters, including temperature, electron content,...

01 March 2021 5,902 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

Microstrip antenna design tutorial of HFSS 3D layout module ?

I have designed a 24 GHz rectangular antenna on HFSS 3D model and got desired results while desing the same antenna with same dimensions I am getting resonance frequency at 27 GHz I am...

28 February 2021 4,426 2 View

Looking for genomic DNA extraction kits from mouse tissue (centrifuge-based, not spin-column)?

Hello. I am looking to extract genomic DNA from mouse brain and lungs and I need a kit that is not spin-column based because I need to scale up the solution amounts for 400mg tissue (most cap at...

25 February 2021 155 2 View