What is Laboratory: Definition and 92 Discussions

A laboratory (UK: , US: ; colloquially lab) is a facility that provides controlled conditions in which scientific or technological research, experiments, and measurement may be performed. Laboratory services are provided in a variety of settings: physicians' offices, clinics, hospitals, and regional and national referral centers.

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  1. P

    Physics laboratory project - bumpers/crash tests

    Hello everybody, It'd be very helpful if you could propose some ideas, suggestions to what we've already made. -------------------------- So, we had a test rig consisting of an inclined board, connected with floor using a curved steel plate. The model of a car, after gaining some...
  2. K

    Mathematica/Graphing Question for Muon Lifetime Laboratory

    Hi all, I'm trying to construct a histogram from my data to illustrate evidence of muon lifetime. Attached is a .txt file that contains counts from our detector that correspond to different bin sizes (lengths of time muons were counted in detector) from our experiment. The file is 1x500...
  3. M

    Physics Laboratory (Projectile Motion)

    Homework Statement I'm doing this experiment in physics laboratory (I) about projectile motion and I'm concerned about some of the results (range) I'm getting. I'm using spherical projectiles about 3.0 cm wide (diameter). Here's the thing, with the launch angle from 10 to 20 (thus, from...
  4. H

    Trying to gain a better understanding of laboratory experiments

    I'm not nearly as good at laboratory work as I'd like to be. I'm therefore searching for a book (or books) that describe, at an introductory level, the following topics: - Methods of using computer code to interface with hardware (e.g. using GPIB/IEEE addresses to extract information from...
  5. Gliese123

    Planetary habitability laboratory

    I find this (quite new web page I think) very interesting: http://phl.upr.edu/projects/habitable-exoplanets-catalog/results How can they determine that there are more potential habitable exomoons than actual confirmed and unconfirmed habitable exoplanets? Through how it looks like in this...
  6. L

    Decay of Upsilon(4S) into two B mesons in laboratory frame.

    Homework Statement B mesons can be created through the reaction chain e+e- → \Upsilon(4S) → B+B- by colliding beams of electrons and positrons head-on at centre-of-mass energy equivalent to the mass of the \Upsilon(4S) resonance. a) If the electron beam energy is 8GeV, show that a positron...
  7. A

    When should a Laboratory Log book be written?

    Firstly, please excuse me if this post is in the wrong section, I couldn't find any "experimental" physics section. Please note that the template is not used since the questions is pretty much descriptive. As part my course, I have one lab session per week. Its duration is one and half our...
  8. M

    Modern Physics Laboratory establishment help

    Hi all First of all, I don't know whether this is the right sub-forum to post at, so forgive me if it is not. I have recently been asked to establish a modern physics lab for university students at sophomore level, so what experiments do you suggest to found the lab. I've included the...
  9. G

    Calculating Laboratory Energy in Neutral Pion Electroproduction

    I am a high school physics intern, trying to figure out how calorimeter accuracy affects the recoiled proton's mass in a collision, where an electron beam is aimed at a proton target. The electron beam emits a virtual photon and scatters off one of the virtual pions around the proton, and the...
  10. Phrak

    Can Custom Laboratory Equipment Withstand High Temperatures and Pressures?

    I am in need of constructing a heater probe for a reaction chamber. I need to put out a maxium of 500 Watts continuous from the 5 cm end of a probe of either 1/4" or 5/16" in diameter. I am constrained to either of these standard sizes. My first inclinations are to wind nichrome wire...
  11. U

    Fluid Mechanics, Find the coefficient of discharge in laboratory setting

    Well, first of all, thank you for reading this, as you may see this is my first time posting, but I've been reading threads here for a while and found it really helpful, this time I find myself stuck and hope you can push me in the right direction. Homework Statement In the laboratory we...
  12. T

    Understanding Acceleration in Curling: An Analysis of Momentum in the Laboratory

    Welcome! I am currently doing a laboratory assignment for school and am having trouble analyzing what the number i am getting mean. Explanation: We sent a curling stone down a rink and recorded its distance and time traveled. Problem: Determine the acceleration (deceleration) of...
  13. A

    What Steps Are Needed for Determining Molar Mass by Titration?

    In lab I have. 200 mL of a standardised solution of NaOH (of appoximately 0.1 molar concetration) labeled sample tube containing unknown acid or unknown base. Indicator: phenolphthalein, Universal, methyl orange. The aim of this laboratory is to determine the molar mass of an unknown acid...
  14. F

    Anyone have a Physics Laboratory Manual?

    by Lloyd, 3rd edition? I need a big favor. Can anyone scan Laboratory #16 from the book? It's centripetal acceleration of an object in circular motion. I loan the book to someone and I forgot I need to do the Pre-Lab before Monday. Anyone that can help out I would really appreciate it.
  15. C.Braestrup

    Laboratory equipment- what is this?

    hey, just bought this interesting piece of laboratory equipment, but i have no idea what its used for. the 4 meters on front panel measures peak control, integrator, and count rate (x2) potentiometer knobs is saying; high voltage, underneath the peak control meter, under the meter...
  16. P

    Any Laboratory Scale Test of GR's correction to Newtonian Gravity?

    Understanding the short-distance behaviour of gravity is crucial for constructing a quantum theory of gravity. The Newtonian inverse square law approximation has been tested in laboratory down to millimeter scales, but I'm not aware of any laboratory scale experiments testing general...
  17. S

    How to relate kinematics of a moving frame and that of a laboratory frame?

    Hi all, if I have the velocities and rotations of an object with respect to a moving frame. Are there relations that I can obtain the velocities and rotations of the object with respect to a fixed frame?
  18. ZapperZ

    Science Undergraduate Laboratory Internships

    In case there are people who might be interested in this but didn't realize either its existence or deadline, the deadline for SULI application is coming up fast - Feb. 1. http://www.scied.science.doe.gov/SciEd/erulf/about.html Zz.
  19. N

    Thin Film Laboratory resources

    Friends,seeking some doctoral Researchers in the sub-domain of thin-films,I would want the following assistance from any of them: (1)A Standard Reference Book that addresses introductory (Post Grad.) and advanced (PhD) topics in thin Films.(2) Some standard Lab projects that has been...
  20. K

    Determining Fluid Density Using Buoyancy and Simple Materials

    Homework Statement In the laboratory, you are given a cylindrical beaker containing a fluid and you are asked to determine the density \rho of the fluid. You are to use a spring of negligible mass and unknown spring constant k attached to a stand. An irregularly shaped object of known mass m...
  21. L

    Laboratory technician drops a 0.0850kg sample of unknown solid

    A laboratory technician drops a 0.0850kg sample of unknown solid material, at a temperature of 100.0 degree celcius, into a calorimeter. The calorimeter can, initially at 19.0 degrees celcius, is made of 0.150kg of copper and contains 0.200kg of water. The final temperature of the calorimeter...
  22. ZapperZ

    Argonne National Laboratory Open House 2009

    Argonne National Laboratory, the first US National Laboratory, will be having its Open House on Saturday, August 29, 2009. The hours will be from 9:00 am to 4:30 pm. Practically all the divisions within the lab will be opening its doors for the public not only to view and see some of the...
  23. S

    Methods of laboratory fatigue testing?

    Methods of laboratory fatigue testing?? I have had a try at this question but don't think the answer was enough. Can someone please check it and give me the correct answer. Question Outline the methods of laboratory fatigue testing and the results likely to be obtained. (10 marks)...
  24. R

    Laboratory setup -Capacitance vs. Temperature

    For my final project for second quarter physics for engineering, we are doing labs that we setup ourselves. The problem posed to my group was to measure the capacitance of a capacitor and it's dependence on external temperature, and then fit the data to what should be an exponential decay curve...
  25. H

    Gravity Wave Detection: Why Not Attempt in Lab?

    What is the reason for not attempting to both generate and detect gravity waves in a laboratory? I mean if Eotvos could measure the gravitational force from from dissimilar materials with some accuracy, then why not place two more sensitive, modern gravity measuring devices some distance apart...
  26. wolram

    Create a large number of positrons in a small laboratory

    http://www.sciencedaily.com/releases/2008/11/081117193019.htm This new ability to create a large number of positrons in a small laboratory opens the door to several fresh avenues of anti-matter research, including an understanding of the physics underlying various astrophysical phenomena such...
  27. ZapperZ

    Insights Revamping Undergraduate Introductory Physics Laboratory - Comments

    I've started my own personal pet project in trying to suggest a possible revamping of the often dreaded intro physics lab. My philosophy here is two fold: 1. Teach skills in how we arrive at how things behave 2. The students shouldn't be encumbered with "theories" that they need to either...
  28. V

    Laboratory Chemisry Question - Redox Reaction

    Homework Statement 1. Explain why the following chemical reaction would not be effective to determine [Fe2+] in a given solution. Fe2+ (aq) + H2O2 (aq)-> Fe3+ (aq)+ H2O(l) | in acidic solution Homework Equations The Attempt at a Solution Hello: I am thinking that there may be a lack of...
  29. S

    Synthetic Black Hole Event Horizon Created in UK Laboratory

    Researchers at St. Andrews University, Scotland, claim to have found a way to simulate an event horizon of a black hole - not through a new cosmic observation technique, and not by a high powered supercomputer… but in the laboratory. Using lasers, a length of optical fiber and depending on some...
  30. W

    What Skills Are Essential for a Successful Lab Internship in Physics?

    I ask because I will in a year be applying for internships doing lab based work in physics, hopefully. Now what can you tell me what are some valued skills in the lab? -How about expierence in numerical analysis software? My uni does what they call a summerfield session for physics...
  31. M

    Chemistry Idea for a molecular biology-based, laboratory research plan

    Hey! This is for a 4th year undergrad project in Applied Molec Bio. I need an idea for a molecular biology-based, laboratory research plan. It needs to be an "original" idea but I'm having trouble of picking one... I will not actually be performing any experiments. It will contain...
  32. S

    How are X-rays emittted from laboratory plasma?

    hi friends m a student and want to lnow how xrays are emittted from labortary plasma and xray emission dependence on the atomic number of target from which we are creating plasm.explain me with refrence to the shells thanks take care
  33. S

    How Hard Is It to Get Into a Medical Laboratory Science Program?

    Well I just found out today I made it into my medical laboratory science program! I am so excited, I have worked hard to get in. I cannot wait for school to start now...come september I will be taking courses in clinical chemistry, human histology, pathogenic microbiology, physiology...
  34. Jonathan Scott

    Can MOND be ruled out at laboratory scale?

    The empirical MOND explanation of galactic rotation curves involves switching over in the low acceleration regime from the Newtonian acceleration Gm/r^2 to the MOND acceleration term sqrt(Gm a_0)/r. This is normally achieved using an "interpolation function" which effectively switches off one...
  35. N

    Can Anyone Explain the Volumetric Tube Construction on a Hydraulic Bench?

    Hi guys, hope all are fine. i m new here and don't know much about the rules. well according to the question i have, i thought its the right place. i ll never mind if it is moved. anyways today i studied the simple laboratory hydraulic bench... i got struck in the part where plunger is...
  36. Z

    Molecular Speeds in a Laboratory Apparatus

    A physics student measures molecular speeds in a laboratory apparatus and concludes that the distribution of speeds is such that: 10% have a speed of 200 m/s 10% gave a speed of 250m/s 15% have a speed of 500m/s 30% have a speed of 650m/s 20% have a speed of 900m/s 15% have a speed of 1300...
  37. S

    Evanescent microwave laboratory project

    Just looking for confirmation of a few thoughts and a couple of requests for information. Firstly, there are two significant processes when observing evanescent waves between two prisms, right? Firstly, the evanescent wave travels along the boundary of the reflecting material and regenerates...
  38. Astronuc

    Material Science Laboratory

    Fachschaft Materialwissenschaft http://www.tu-darmstadt.de/fb/ms/student/fs/german/lab/ Some basic material on the following topics: Laboratory Manual Chapters Chapter 1: Materials Science Calculations Using Spreadsheets Chapter 2: X-ray Diffraction Laboratory Chapter 3: Phase...
  39. N

    Need a clie on how to build a Laboratory scale using strain gages

    Need a help on how to go about building a Laboratory scale using strain gages I need to build a scale with a working range of 2 to 200 gm, an accuracy of at least 2 gm, footprint of no more that 16 in sq, and use no more that 6 strain gages. I believe I need to set up the strain gages in...
  40. D

    Helphow does a clinical thermometre differs from a laboratory thermoeter?

    Help..pleasez. how does a clinical thermometre differs from a laboratory thermoeter? hey. anyone could help me in listing ways in which clinical thermometer differs from laboratory thermometer? with explanation for each difference? thanx everyone for ur help.
  41. Astronuc

    ME 354 Mechanics of Materials Laboratory

    University of Washington - Mechanical Engineering Department Course Notes Chapter 1 Introduction Chapter 2 Stress, Strain and Constitutive Relations Chapter 3 Beams: Strain, Stress, Deflections Discontinuity functions Comparison of...
  42. A

    What is the function of a thistle tube in a laboratory setting?

    What piece of apparatus can be used to introduce more liquid into a reaction and also serve as a pressure valve? a)stopcock b)pinchcock c)thistle tube d)retort I'm guessing it's the retort. Am I correct? If not can you tell me which one. Thnks...
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