Recent content by sandbanana

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    Tongue Twisters: English and Not English

    Irish wrist watch. Say it three times fast.
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    Simple Unit Conversion Question

    If I have units with degree Fahrenheit in the denominator can I cancel it with degree Rankine without a problem? Or do I need to use F + 459.xx to clear it? does 1/F cancel with R? I believe 1/F and R can cancel one to one, right...
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    Collection of Lame Jokes

    A plane was flying from Poland to France and then to America. To keep track of nationalities for customs assigned seating was used. France nationals were on one side while Polish nationals occupied the other. On the descent into America the French were clammoring about the spectacular views...
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    Craigslist and paypal payments scams?

    I have had someone send me "official" emails from pay pal letting me know that payment was sent and that I should ship the item. It also showed me a balance of sorts of his/her account. Not to mention they had precalculated shipping costs for me and when I did it for myself the amounts did not...
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    Help Needed: Geeky Physics-y Band Name

    Irrotational Vortex
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    MatLab e^x Homework: Plot and Error Calc

    Homework Statement Plot e^x for -10 to 10 using a Taylor series about 0 find the error between the nth term and the actual value of e^-10 and e^10 plot sin(4*theta) using a 2 term expansion, a 4 term expansion and a 10 term expansion and constrast it with the plot of sin(4*theta) The Attempt...
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    Collection of Lame Jokes

    Not so much a joke as a fun explanation. Why are fire trucks red? There are eight men and four wheels.Eight and four make twelve.There are twelve inches in a ruler.Queen Elizabeth was a ruler.Queen Elizabeth was a ship.Ships sail the seas.The seas have fish.The fish have fins.The Fins...
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    Ideas for cool Kinematics Photo

    How much time do you have? You could put a collar, held in place by a spring, on a ball and socket bar. Put some kind of a light on the bar that will remain lit. Give the bar a whirl around the z axis, or whichever you deem to be straight up and down. A constant velocity would be nice but...
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    Pilot commits suicide by crashing plane

    Holy hell. I am not sure if you were aware of this but here is a link. http://www.zerohedge.com/article/austin-tx-crashed-pilots-suicide-note" or http://www.nypost.com/p/news/national/texas_pilot_suicide_note_NVPrf5Kte6XBifK17gX2xH" or...
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    Analyzing a Truss with Excel: Solving the Matrix Problem

    Homework Statement I have a simple truss to analyze using excel. I have done this and know how to do it on pen and paper using one equation to eliminate variables in another until down the line an answer pops out and I go back in and solve for all the other variables. However, this...
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    Questions For Math And Physics Enthusiasts

    Oh man, have not done one of these since good ol' AOL came around. Why the hell not? 1. When is the latest time you drink water in the day prior to a sleep cycle? If I feel particularly parched I'll have a glass immediately before going upstairs to bed. Otherwise, I have no idea. 2. What...
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    Building professor relationship

    This. I have a friend that is currently working his way towards med school and has been taking advice from a local doctor. He went to the local store and got him a card to thank him. I also think that thanking him by means of card instead of something monetary goes a longer way in...
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    Can anyone spot the error in this fallacy

    Square root issues aside I do not see where you are saying anything other than a and b are the same number and t is any number which is the sum of those numbers.
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    Has anyone ever gone skydiving?

    I actually have no idea what became of the cord. I definitely did not hold on to it and I do not believe I was told to hang on to it. If they make a cord that auto-retracts that would be my best guess.
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    Has anyone ever gone skydiving?

    I went this past July and it was one of the best things I have ever done. Talk about exhilarating. I jumped tandem and ended up lucking out to get the best seat in the plane. My buddy and his partner went in, then my jump-guy and I was the last one in. The plane was going down the runway...
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