# What is Specific: Definition and 1000 Discussions

The Sustainable Product Engineering Centre for Innovative Functional Industrial Coatings (SPECIFIC) is an academic and industrial consortium led by Swansea University, with Tata Steel as the main industrial partner. It is funded by EPSRC, Innovate UK and the Welsh Government.The centre is developing the concept 'Buildings as Power Stations' and has been awarded £26 million, comprising £15 million from the EU, with the remaining money coming from EPSRC, Innovate UK, industry partners, and contributions from Swansea and Cardiff universities.
SPECIFIC has developed an 'Active Classroom', designed by architect Joanna Clarke and situated at Swansea University Bay Campus, showcasing innovative technologies for creating low carbon buildings which generate more energy than they consume. The Active Classroom won the Construction Excellence in Wales Award for Innovation in 2017.In 2018 the UK government announced £36 million funding for an Active Building Centre in order to accelerate market adoption of active buildings.

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1. ### I A specific case of an exception to Archimedes' Principle?

First post on this forum, hopefully in the correct category and conforming to forum rules. Will the object in below scenario move upwards, downwards or will it remain stationary? An object is submersed in a container 'A' which contains a fluid 'B' (e.g. water) The trapezium shaped object...
2. ### Deriving general specific heat capacity formula

For this, Dose anybody please know of a better way to derive the formula without having ##c = \frac{\Delta Q}{m \Delta T}## then taking the limit of both sides at ##\Delta T## approaches zero? I thought ##\Delta Q## like ##\Delta W## was not physically meaningful since by definition ##Q## is...
3. ### Chemistry How to compute specific surface energy for cubes of varying sizes?

I got these values but I wanted to make sure I was doing it the correct way a) 0.548 J/g for system of 1 µm cubes b) 9.131 x 10^19 J/g for system of 1 nm cubes c) 273.890 J/g for system of 1 nm radius spheres
4. ### I Question on Baryons and Specific Decays

1) We know in case of beta decay if there is excess of protons or neutrons in the nucleus beta decay take place. Force involved - weak interaction Reason involved - to stabilize, to obtain proton neuton 1:1 ratio in the nucleus. E. g., Beta minus - Carbon 14 transforms into Nitrogen 14 2) Case...
5. ### Specific Heat Capacity of a metal bar placed into water

Previously solved thermal energy gained by water as Eth= 0.15(4180)(17.6) = 11035.2 J Not sure if its relevant
6. ### I Confusion about the interpretation of specific volume

So I'm reading through Cengel's thermodynamics textbook, and came across this solved example: Firstly, pressure in this context I'm assuming is vapour pressure? Since we're dealing with pure substances in this chapter. But what's confusing me is, here's the diagram I have: They've not...
7. ### Position pointer to specific line in a file

I would like to read a specific line of a file. Everything I have seen does it by reading the file from the top, ignoring what is read until the line of interest is reached. Is it possible to move the pointer of the reader to the line directly, say by counting the number of line end sequences...
8. ### Specific volume and enthelpy of mercury

I have been away from thermodynamics for a while, and there is a young mechanical engineering student who asked my help in solving the question. For the life of me I am unable to solve this problem and I am at my wit's end. I believe I can solve the problem if some pointers are provided. Also...
9. ### Find angles such that the motion travels a specific distance

We know the time it takes the water complete the whole parabola is (sin(x) * 6.5 * 2) / 9.8. So I come up with (sin(x) * 6.5 * 2) / 9.8 * cos(x) * 6.5 = 2.5, because the x component of the velocity is the same for the whole time. But I get the results like these: x≈0.30929171+πn,1.26150461+πn...
10. ### I Can I send an electromagnetic wave to a specific point?

Since I'm computer engineer and don't have much experiences with electromagnetism, I'd like to know if it is possible to make an electromagnetic signal (250khz - 500khz) and send it to a point (with an error of maximum 1cm) in a room. If yes which devices do I need to setup my experiment?
11. ### Looking for a Specific Kind of Research Study (Neurostimulation)

I'm doing a master's degree, and I would like to research the long-term effects of neurostimulation on the brain. It would be really helpful if I could find at least one research study that: (1) Performed MRI scans on a cohort of patients, preferably using diffusion MRI. (2) Had this cohort of...
12. ### A Mechanism which pulls a specific amount of string (yarn) mutiple times

Yarn Grippers, Linear motion equipments Motors
13. ### I Calculating the specific heat capacity for the 2D Ising model

So I'm looking at the book "Equilibrium Statistical physics" by Plischke and Bergersen. I'm doing the calculation of the specific heat of the 2D Ising model. I can't seen to quite get out the same expression as in the book - there are a coupe of minus signs that are different. I don't know if I...
14. ### I Determinant of a specific, symmetric Toeplitz matrix

Let us define matrix ##\mathbf{B}_n=[b_{ij}]_{n\times n}## as follows $$[b_{ij}]_{n\times n}:=\begin{cases} b_{ij} = \alpha\,,\quad j=i\\ b_{ij}=\beta\,,\quad j=i\pm1\\ b_{ij}=1\,,\quad \text{else}\end{cases}\,,$$ where ##\alpha\,,\beta\in\mathbb{R}## and ##n\geq2##. ##\mathbf{B}_4##, for...
15. ### Specific heat in for the Otto cycle

A class project requires us to model the Otto cycle using ideal gas properties. We are not given the value for qin (specific heat in) and are told to make an intelligent approximation. My approach to this has been to find the calorific value of petrol, multiplying this by the density of petrol...
16. ### Finding specific heat C_p coefficients using NIST

I am trying to find the specific heat (at constant pressure) ##C_p## coefficients linked to the JANAF model, which basically assumes that ##C_p## is a polynomic function of ##T##, for liquid nitrogen (at ##\approx## 97 K). Before doing that, I am trying to find those for water (at ##\approx##...
17. ### MHB What is minimum requirement vs specific requirements to be called in as intelligent agent for any software code piece?

https://uobrep.openrepository.com/bitstream/handle/10547/223815/ESWA%20agent%20paper%20-v2.pdf;jsessionid=16B243A8F6C1FC1242A75969D18D00B7?sequence=5 here is some information but i am unable to dcode what is minimum requirement vs specific requirements. can you help me a bit in this case?
18. ### The distance traveled by a molecule at a specific temperature

I found this equation: and kB and T are Boltzmann constant and temperature, respectively.
19. ### I Essential Math Topics for GR: Semi-Riemannian Geometry (Newman)

I'm reading the book "Semi-Riemannian Geometry: The Mathematical Langauge of General Relativity" by Newman. There are definitely other questions on math background needed for GR, but my aim is to find which topics from that particular book aren't essential so that self study is more efficient...
20. C

### Why does a specific temp feel different inside depending on the temp outside?

If it's 20degrees outside and 68degrees inside it's warm when you come in from the cold. If it's 100degrees outside and 68bdegrees inside if feels cool. 68degrees is constant. Why does it feel different depending on the temp outside?
21. ### Why Is My Calculation of Heat Energy Incorrect?

At first, I tried to calculate the heat energy required by doing this: I realized I should calculate heat energy separately instead of grouping glass and water together so I did this: But the answer is supposed to be 6.29 x 10^4. I don't know how to solve this. Can anyone help please? Thank you
22. ### Confusion about whether to use the specific heat of water or ice

My thought process of how i do the ice melting part: (note I just ignore the copper/lead part cause I already know how to do that part) Q_ice + Q_melt + Q_liquid so, it 0.018(2100)T+0.16(4190)T+0.018(334*10^3) but on chegg they didn't use 2100 but they just use 4190 instead and I am confused...
23. ### A Solving Laplace's equation in polar coordinates for specific boundary conditions

Hello everybody, Currently I am doing my master's thesis and I've encountered a physics problem which is very difficult for me to solve. The problem I have is finding equations for the magnetic scalar potential inside and outside a ferromagnetic wire for specific boundary conditions...
24. ### How can I calculate hydrogen bonds in a specific direction w.r.t. a C-

I need to calculate H-bonds in a specific direction of a C-alpha atom of a protein. And, I need to calculate that from a PDB file. Can anyone give me a general guideline/direction/idea regarding how to do that? N.B. I need to write a python program.
25. F

### "Trick" for a specific potential function defined with an integral

Hello, To first clarify what I want to know : I read the answer proposed from the solution manual and I understand it. What I want to understand is how they came up with the solution, and if there is a way to get better at this. I have to show that, given a vector field ##F## such that ## F ...
26. ### Battery - theoretical specific energy

I want to learn how to calculate maximum theoretical specific energy of various battery combinations consisting of a single metal and single oxidant, like for example Sodium - Sulfur, Potassium - Sulfur or even crazy stuff like Rubiddium - Iodine. I asked this question on stackexchange but I...
27. ### I Creating a function with specific shape, intercepts, integral....

I'm trying to see if I can calculate the peak draw weight of my bow based on the draw length and the velocity of the arrow and a known shape of a curve, but I'm not quite sure how to make such a function, if there even is such a way. This is the shape of the draw weight plotted against...
28. ### I Why Does Molecular Potential Energy Curve Have That Specific Shape?

Molecular potential energy of hydrogen in dependence with atomic distance for bonding orbital is given by picture below. We can see that at large distances force between atoms is attractive and potential energy drops to minimum which corresponds to bond energy and length. This part of the...
29. ### Finding Specific Heat of a solid

I thought it might me a ratio of the atomic masses. 27 / 63.6 = x / 900 x = 382 J/kg-K
30. ### Intro Physics General introductory physics books compared to specific books on each topic

What exactly is the difference in the way an general physics book (Halliday and Resnick, Young and Freedman) covers topics like mechanics, EM, and thermodynamics, compared to respective books like Kleppner and Kolenkow, Griffiths, and Schroeder, other than the amount of material covered for each...
31. ### Why Age-Related Memory Issues Can Be So Oddly Specific?

My father has some sort of elderly, age-related cognitive decline and/or disease (possibly dementia or Alzheimer's) that we haven't officially diagnosed yet (beyond his primary care physician simply saying that some cognitive decline is natural with age). One thing that puzzles me is why he...
32. ### I How can there be an Uncertain Momentum at a Specific Energy?

It's been a few years since I failed my physics degree but I still really want to reach an understanding of QM, and I'm currently going through a QM textbook. One thing I cannot understand no matter how much I think about it, is momentum uncertainty. In classical mechanics a specific kinetic...
33. ### From weatherstation data to solar irradiation on specific surface

So, at home I have a weatherstation which measures solar irradiation in the east, south and west in lux. I can read in these measured sensordata. From these measurements, I would like to calculate the solar irradiance on my windows. The solar energy formulas could help me with that. The work of...
34. E

### I Calculating the Area of an RN Event Horizon with Specific Heat Formula

By definition ##C = T_H \dfrac{\partial S}{\partial T_H} \bigg{)}_Q## so given ##A=4S## we first need to work out the area of the event horizon. More specifically, let ##\Sigma## be a partial Cauchy surface of constant ##v## in ingoing EF ##(v,r,\theta, \phi)## co-ordinates then ##A## is the...

46. ### Finding specific weight of unknown fluid in a manometer

Hey everyone! Here is the problem I have been tackling but did not end up with the correct answer The extra red arrows I have labelled in myself and called these distances h1,h2 and h3. I assumed the pressure to be the same at levels A & B, hence i have established expressions for both of...
47. ### What's the car's acceleration at a specific point?

I did (0.9-0.1)/(1.5-0.5) = 0.8/1 --> 0.8 m/s^2 This doesn't look right to me. Is this actually correct or do I need to solve the problem a different way?
48. ### Specific work done by an adiabatic & reversible compressor on air

Hi, A quick question on a conundrum I seem to have encountered. My main question is: why is it wrong to use the formula above instead of the SFEE approach? My approach: Use the formula: $$w = \frac{R}{1-n} (T_2 - T_1)$$ From the data book, ## R = 0.287 ## kJ/kg K and ## n = \gamma = 1.4 ##...
49. ### Medical How to find a scientist who researches a specific field?

I have a Hypothesis on one potential cause for allergies and a potential cure based on that hypothesis. Unfortunately I have absolutely no way to test my hypothesis, Is there any way for me to get in contact with people studying that field?
50. ### Finding Specific Extrema when grad(F)=constant & Lagrange Gives y=-z/2

I found that f= x -2yz. To maximize f, I can first inspect the solutions to grad(F)=0. z=y=0 pops out, but I'm not sure what to do with the x-component equaling 1. Do we just include (x,0,0) as a solution? I think the problem wants specifics though, based on what I've seen previously from...