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We always have threads on various pieces of the puzzle, but what I want here is for people to post a coherent plan of...
Mar17-14 06:22 PM
mfb
982 197,102
A number of questions, particularly involving homework, often involve some basic engineering. In the US, the...
Nov22-13 02:02 PM
rneale
38 50,395
In response to the growing needs of our membership, we're excited to announce the restructuring our Science Education...
Oct12-05 01:47 AM
Moonbear
0 20,391
I am working on a project that involves the hydraulic design of a potable water transmission line (diameter 500mm),...
May27-10 06:34 AM
Q_Goest
1 1,415
I want to get the allowable stress(Sa) value above room temperature. The formula in table 1-100, ASME II Part is as...
May27-10 06:02 AM
sprout
0 5,413
Today, I tried to measure the photoelectric effect with this PASCO device. PASCO ap-9369...
May26-10 05:52 PM
flatmaster
0 1,425
As you know i've been asking questions about alternative fuels and honestly its getting me no where, because I desire...
May26-10 03:20 PM
jakksincorpse
36 2,939
Whatever you think of the shuttle as an effective way of getting stuff to orbit it's still a cool piece of...
May26-10 01:51 PM
mgb_phys
2 1,089
HI I'm a member Actually I'm curious about nano technology/nano engineering but don't much about it, and want to ask...
May25-10 11:54 PM
MATLABdude
1 1,553
Looking for the actual test criteria for industrial helmets as outlined by ansi z89.1 Do i have to purchase the...
May25-10 04:38 PM
jeromek89
0 1,781
I want to see what effects placing a steel cable on a reel of size of OD 3,51 m will have on the properties of the...
May24-10 10:12 PM
nvn
3 1,254
How do scientists collaborate to understand such complex systems as missions to Mars, the world economy, the Internet...
May24-10 06:59 PM
russ_watters
1 1,234
Hi everybody, i am new to Physics Forums and I have a problem that is confusing me. Any help would be much...
May24-10 03:49 PM
MattConfused?
1 1,220
Hello, I need help with a simple stress analysis. I have a 25 in x 25 in sheet of Lexan that's 0.125 in thick and...
May24-10 11:38 AM
Studiot
6 5,828
The concrete highway bridge show in Figure Q3a is supported on columns at B and E, and abutments at A and F. The...
May23-10 08:48 PM
sardonicus
1 6,602
what subjects must i choose for this engineering and how should i prepare. i am 14 and i am in grade 8.
May23-10 04:07 PM
asdfg654321
13 3,373
http://www.psfk.com/2010/05/bill-gates-funding-controversial-climate-altering-technology.html I want to call...
May23-10 12:05 PM
ti-84minus
7 4,181
Hello. May I ask if we have the technology to run a thread-making machine on the end of that 20" pipe in the Gulf...
May23-10 08:54 AM
jackmell
0 1,413
hey ppl, In a nutshell, need to come up with a 10mX2m foot bridge over a river made from steel and...
May22-10 09:12 PM
sardonicus
7 2,875
I have to interview a Computer Engineer for a school project. If someone in this career field could answer these...
May22-10 05:44 PM
Frozener
0 2,389
Hi All, I have a project which involves pulling a sled (wheeled, on rails - low friction) weighing approximately...
May22-10 08:47 AM
bikengr
14 2,947
What do you honestly define a sankey diagram to be? I really don't think there's any point in using it. I mean, why...
May22-10 05:39 AM
LatexZone
4 4,944
Nevermind, I got it...
May21-10 10:15 AM
Q_Goest
0 1,818
Is it possible for a large ship, say 100 meters long at least, be sufficiently protected that the pressure exerted by...
May21-10 02:06 AM
PaulS1950
8 2,863
My teacher and I want to make an incubator that will provide an environment with a optimal temperature of 37C. This is...
May20-10 11:04 PM
Feldoh
3 3,431
Should be a seemingly simple answer, but I'm not 100% sure, and I hate not being 100% sure. Sorry for the awful...
May20-10 08:39 PM
tectactoe
4 1,557
Hi, I've been trying to learn about iron core solenoids and I'm having trouble finding information on a concept...
May19-10 11:31 AM
mapache
0 1,126
Hi all, I am confused with the amplitude at 1x, 2x, 3x frequency. The 1x, 2x and 3x is the harmonic (or mutiples)...
May18-10 12:05 PM
brewnog
7 16,680
I was wondering if anyone could provide me with some info on a problem im facing. I have a pipe of 10m and 16"...
May18-10 01:11 AM
the4thworld
0 1,355
I hope this is the right forum for this question. If not, I apologize. I'm looking for a book that details the...
May14-10 02:31 AM
xxChrisxx
6 1,776
This may be a strange question, but humor it if you would. I have perhaps watched one too many science fiction shows,...
May14-10 12:25 AM
chiako
2 1,714
Good morning all, I have been "absent" lately, because I am pre-occupied with the disaster in our gulf (I live in...
May12-10 01:15 PM
chiefsss
6 1,742
I am trying to calculate the rate (g/m2) of water evaporation given Temperature, Humidity, Air Speed, elevation. ...
May7-10 08:31 PM
Bob S
5 20,342
Hi I'm a second year uni student and we're learning the engineering beam theory, and part of the engineering beam...
May4-10 05:15 AM
mzha109
5 6,115
Hi - I'm a layman with a problem I'd really appreciate some help with. I've been studying tattoo machines and have a...
May4-10 01:53 AM
mapache
0 2,237
Dear all, I have no science back ground , I have purchased a 30KVA gas generator, for my farm house, I would like...
May4-10 12:39 AM
ChazzMann
6 5,528
Any Biomedical Engineers out there?
May1-10 11:35 AM
DRLD
3 2,456
In the backdrop of my final year project i have a matlab question to ask you. Suppose we have text file placed in the...
Apr30-10 12:43 AM
MATLABdude
1 2,334
For my job I have to calculate the maximum shear stress in a triangular thin wall steel beam. I know how to calculate...
Apr29-10 03:45 PM
curllight
3 5,797
Hi, My name is CK and I have question on calculating static pressure through a ducting network. Some context:...
Apr29-10 11:20 AM
chasjones
1 10,048
Can anybody tell me what a couple is. From what i gather it is when two forces are equal, opposite and parallel. ...
Apr29-10 10:22 AM
weedannycool
2 1,971
hello all i have universal device programmer from BK Percision co. its model is 843 and i don't have its software...
Apr29-10 10:22 AM
OCTavious
1 1,340
Hi, I have to design a steel structured truss footbridge. Im using beam anology to determine the correct member...
Apr29-10 07:11 AM
gards
6 5,560

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