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February 1st, 2011, 1:08 pm
Forum: Off Topic
Topic: Time dilation
Replies: 86
Views: 23331

Time dilation

http://mb-soft.com/public2/twinspar.htmlthis guys suggests when the twins meet again they are the same age
February 1st, 2011, 12:29 pm
Forum: Off Topic
Topic: Time dilation
Replies: 86
Views: 23331

Time dilation

<t>my point in the tom/jim example is that there are many velocities combinations for tom and jim which can describe the observation that they are getting closer.if we change it abit so that tom and jim are accelerating towards each other, then again there are many combinations of accelerations for ...
February 1st, 2011, 11:54 am
Forum: Off Topic
Topic: Time dilation
Replies: 86
Views: 23331

Time dilation

<t>you keep on coming back to this "feeling acceleration", its just not very convincing ;p . If there only existed 2 things in the universe, tom and jim, and we observe the distance between tom jim was getting shorter, you could say tom was accelerating towards jim, or you could say jim was accelera...
February 1st, 2011, 11:38 am
Forum: Off Topic
Topic: Time dilation
Replies: 86
Views: 23331

Time dilation

if the frame of reference was the rocket wouldnt its velocity and acceleration be 0.
February 1st, 2011, 11:07 am
Forum: Off Topic
Topic: Time dilation
Replies: 86
Views: 23331

Time dilation

<t>acceleration is felt because the earth has a far greater gravitational field than the tiny rocket. Now what if the twin sister left in a big blob the same mass as the earth ? I think its interesting becuase if you cant answer this question then time dilation is a stupid concept, unless somehow gr...
February 1st, 2011, 10:55 am
Forum: Off Topic
Topic: Time dilation
Replies: 86
Views: 23331

Time dilation

<t>i dont agree to this, to the rocket man earth has accelerated left and returned whilst it is traveling at constant speed.given only 2 frames of reference how can you say one is traveling faster than the other? there is only one measure - the distance between them which is either getting larger or...
February 1st, 2011, 10:26 am
Forum: Off Topic
Topic: Time dilation
Replies: 86
Views: 23331

Time dilation

but to the rocket man, his reference frame being the rocket, we would be younger than him ? how can he be younger than us and we are younger than him
February 1st, 2011, 10:12 am
Forum: Off Topic
Topic: Time dilation
Replies: 86
Views: 23331

Time dilation

so when the rocket returns to earth, will rocket man be younger or earthman ?
February 1st, 2011, 7:47 am
Forum: Off Topic
Topic: Time dilation
Replies: 86
Views: 23331

Time dilation

<t>A clock on a rocket travelling near the speed of light away from earth will run slower than a clock on earth right ? But to the clock on the rocket earth is travelling near the speed of light away from the rocket so the clock on earth should run slower than the clock on the rocket ? am i missing ...
February 1st, 2011, 7:35 am
Forum: Off Topic
Topic: What Watch do You Wear?
Replies: 174
Views: 42302

What Watch do You Wear?

i wear the casio G-Shock, reliable multifunctioned and stylish
January 31st, 2011, 1:40 pm
Topic: Trading the Chinese stock markets, 29 Sharpe ratio 107% annualised returns over 5 years
Replies: 23
Views: 26386

Trading the Chinese stock markets, 29 Sharpe ratio 107% annualised returns over 5 years

i'll let you know in a few months if im broke ;p
January 31st, 2011, 9:13 am
Forum: Careers Forum
Topic: Being a quant - is it a right choice for a quantitative modeler?
Replies: 51
Views: 27932

Being a quant - is it a right choice for a quantitative modeler?

QuoteOriginally posted by: twofishany sort of signal that you can find in the middle of noise can be profitableThis
January 30th, 2011, 11:42 pm
Topic: Generating positive alpha
Replies: 16
Views: 23857

Generating positive alpha

edit
January 30th, 2011, 11:26 pm
Topic: Trading the Chinese stock markets, 29 Sharpe ratio 107% annualised returns over 5 years
Replies: 23
Views: 26386

Trading the Chinese stock markets, 29 Sharpe ratio 107% annualised returns over 5 years

whats the difference
January 30th, 2011, 11:03 pm
Forum: Student Forum
Topic: Is it possible to land a quant Job if you mess up undergrad ?:e
Replies: 30
Views: 61324

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