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

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

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 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

Anyone found any research papers on solar furnace design calculations (for solar concentration)?

I am thinking about working on solar furnace with heliostats that concentrate sunlight and heat molten salt, but currently no luck with research. Not a lot of papers based on the subject. (check...

01 March 2021 5,023 5 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 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

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

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View