Who agrees we never know if a historical figure actually stated a quote yet, can infer and test what benefits us? How? Why?

01 January 1970 0 6K Report

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Science method

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Why are reaction forces so high when I add vibration to cutting model?

Hi I am trying to model a cutting problem with a blade and comparing the results with and without ultrasonic vibration. From experimental results in our group, the use of ultrasound can...

13 June 2024 7,461 4 View

Best Tools for Wrist PPG Signal Analysis: Your Recommendations?

I'm conducting research on photoplethysmography (PPG) signals obtained from smartwatches worn on the wrist. The main goal is to analyze the PPG waveform and extract key fiducial points and...

13 June 2024 3,286 0 View

Why diagonal terms in Abaqus stiffness matrix are infinite?

I am running some simulations in Abaqus to extract the stiffness matrix of a FE model with geometric nonlinearity. I want to provide to Abaqus a set of nodal displacements (all the dofs in the...

28 May 2024 4,797 2 View

Is it possible to combine a time-series of tree-ring widths and and a time-series of diameter at breast height measurements into one TS?

Hello together! I have some time-series for tree-rings from dating from 1850-2016 and diameter at breast height (DBH) from 1996-2022 for the same plot, however the sampled trees for tree-rings...

16 May 2024 5,295 2 View

Is priori knowledge only instincts? Why?

I think so because The Random Slate Theorem

03 May 2024 3,082 7 View

How to fix driver conflicts of an ancient Skyscan 1072 micro CT with DT3157 video grabber ?

I am currently trying to get a Skyscan 1072 micro CT to work again. After the mainboard on the original PC died, we tried to set the machine up on a new computer. We managed to control the source,...

28 April 2024 381 0 View

Statistics: Is it worth using a t-test on pre and post survey data with 12 or less responses?

Is it worth using a paired t-test on pre and post survey data with 12 or less responses? Or should one rely more on the mean and standard deviation of the two data sets to evaluate the survey...

27 April 2024 8,703 8 View

What about religion, God, multi verse, etc.?

1)Religion(or at least spirituality) calms my mind, particularly, the built in belief of only one reality. God created the only reality. The afterlife is another dimension. We have free will but,...

25 April 2024 10,055 0 View

Handling BrainVision matlab files with ECG data in EEGLAB?

I have 217 preprocessed BrainVision matlab files (.mat) with ECG data in them. I've been having trouble creating a study for these. I know BioSig works for ECG data, but it doesn't seem to work...

21 April 2024 1,028 2 View

EEGLAB - how to import multiple .mat files from different folders all at once?

I have 25 folders for 25 participants, all with .mat files inside that are preprocessed. Most of them have the same amount of .mat files - a couple participants didn't finish the study, so they...

17 April 2024 1,897 3 View

What condition of Kirat Rai's participation in politics before and now in Nepal?

The political participation of the Kirat Rai community in Nepal has evolved significantly over time: Historical Context Historically, the Kirat Rai people, like many indigenous groups in Nepal,...

05 August 2024 5,950 1 View

I am working on my Master's thesis on the biogeography of the genus Ruagea and I would like to ask, could someone help me to check whether my result?

I created a file with my outgroup and ingroup species using Beauti, ran it in BEAST, viewed it in Tracer, and then used TreeAnnotator to create a file that I imported into RASP. Could someone...

28 July 2024 2,979 1 View

Which design criteria are most important for a future-proof design tool?

Climate change is happening! We see how it impacts our built environment all around the world. People are suffering from extreme heat, cold and weather events. Especially, low-cost housing is...

09 June 2024 9,164 3 View

Details of the foundation of historical buildings?

Hello and respect, how to increase the size of the foundation of historical buildings Preferably, I wanted the charters, how can I find them?

11 May 2024 6,649 2 View

first steps in a research project?

Hi everyone, I am currently working on building an econometric model to predict cost overruns in construction projects in Quebec. This model will identify various economic variables (inflation,...

04 May 2024 4,323 0 View

What if we get negative parameters while fitting a model result with the original historical data of some infectious disease?

if we are modeling a infectious disease via compartmental method and while fitting original historical data very nicely. we get negative parameters.! Means we fit original data nicely with the...

01 May 2024 9,837 0 View

Tarihi köprülerin kemer kısmında dubel ve kelepçe kullanımının köprülerin sismik davranışına etkileri nelerdir?

The impact of using double and clamp in the arch section of historical bridges on the seismic performance of bridges. Tarihi köprülerin kemer kısmında dubel ve kelepçe kullanımının köprülerin...

25 April 2024 4,552 2 View

What is the historical context of the Umayyad caliphate in al-Andalus?

i need to know the history of the umayyad caliphate

22 April 2024 5,008 0 View

؟Where can I find the details of the foundation of historical buildings and the methods of strengthening that building?

Greetings and regards, I am Samaneh Derakhshan, a senior in restoration of historical monuments. Where can I find the details of the foundation of historical monuments outside of Iran, along with...

17 April 2024 5,208 2 View

Isn't "deglobalization" a fashionable but false term?

The term "deglobalization" has become widespread both in everyday language and in the scientific community. At the same time, as a rule, few people pay attention to the fact that in this case we...

03 April 2024 9,532 1 View