Do social networks as Facebook and Google (Youtube and Twitter) as a "tech monopolies" a threat to Democracy "in the world?

In Davos, George Soros seriously warned of the repercussions that social media platforms have as "obstacles to innovation" and expressed concern about their ability to shape people's attention.

25 January 2018 5,026 6 View

What is a Perception of Grey Economy in developing countries?

The informal sector or informal economy is seen to parallel the formal economy and it effects for all aspects of human society and economy. Although the informal economy in developing countries...

25 December 2017 6,131 7 View

Looking for help in writing my research proposal ?

Looking for help in writing my research proposal in the following areas : HRIS / HR / Change management / Remote work Please get in touch with me if that sounds like your expertise. Thank you very...

08 February 2021 5,434 4 View

Does the Parcelmouth library include functions to calculate zero crossing rate, short term energy, spectral rolloff, and spectral flux?

I am performing sound signal processing for speech, heart, and breath sounds for a project. Our software already uses the Parcelmouth library for some processing features, so I would like to...

10 November 2020 6,261 1 View

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07 September 2020 6,086 2 View

Are there examples of sounds that cause an adverse physiological reaction when heard?

I am collecting examples of highly unpleasant sounds that cause an adverse physiological reaction when heard; I call these Auditory Noxious Events. Two such examples are (1) the sound made by a...

16 April 2020 6,842 24 View

Somebody know a fast DNA extraction method for plant for to do in the field?

I am looking found reference about people that has been working the proposed method in this publication: "Nucleic acid purification from plants, animals and microbes in under 30 seconds" from Zou...

10 March 2020 860 2 View

Sample size in Spearman rank correlation?

I have a sample size of 6 for my Spearman rank correlation. However, Fowler et al., 1998 (Practical statistics for field biology. 2nd Edition. England, UK: John Wiley and Sons. pp 259) states...

01 February 2020 4,982 5 View

How to generate large scale forcings like subsidence, advective tendencies and radiative cooling rate; from reanalysis data for Large eddy simulation?

For performing LES initial soundings have been taken from ERA data. But large scale forcings and surface fluxes also needs to be computed, to provide these as input. Kindly suggest some suitable...

22 October 2019 6,165 4 View

Music is harmonic mathematics of sounds which I name as sonoharmonic mathematics isn't it ?

Music is a kind of mathematics but not just random sounds are music so in my opinion : MUSIC = SONOHARMONIC MATHEMATICS What do you think regarding my new terminology. All commenters are...

09 October 2019 3,428 1 View

Matlab vs Python vs x for perception experiment?

I need to write a perception experiment something like this: 1. Subject hears two sounds. 2. Subject adjusts a slider to change a parameter of the second sound 3. Subject hears the two (adjusted)...

05 June 2019 5,772 2 View

Which precipitation variable in TRMM 3B42 V7 is the best?

HI all, I am exploring 3-hourly 3B42 V7 dataset. It provides 3 precipitation variable: precipitation, high quality precipitation and infrared precipitation. It sounds that high quality...

03 April 2019 4,263 2 View