watch Definition and 157 Threads

  1. E

    Uniform Circular Motion in a Watch

    Homework Statement The second hand on a watch has a length of 4.5mm and makes one revolution in 60s. What is the speed of the end of the second hand as it moves in uniform circular motion? Homework Equations ac=v^2/r The Attempt at a Solution ac=v^2/4.5
  2. Jameson

    MHB What are some popular TV shows recommended by a scientist?

    I'm really into a few series. My favorite show right now is Breaking Bad. Highly recommend it. The first few seasons of Dexter were amazing but the show has gone downhill. Also recently on BBC there has been the best version of Sherlock Holmes I have ever seen. Recommend as well Shameless and...
  3. C

    TV shows from the past you'd rather not watch again

    These could be shows that you liked to watch in about the past 55+ years. However, upon looking back, you find them to fall in some combination of these categories/types: a) too corny for your likes, b) outdated, c) painful to watch, d) the canned laughter stands out too...
  4. A

    Infrared Remote Control Watch Used to Unlock Your Car?

    Hello, I have purchased a Casio CMD-40B watch. It functions as a remote control for your TV and Cable boxes. How it works is, you look up the specific TV's "code", tell it to the watch, and your watch now acts as the TV's remote control. Here is the Watch Manual...
  5. S

    Displacement vector on a watch?

    Homework Statement The minute hand on a watch is 2.0cm in length. What is the displacement vector of the tip of the minute hand from 8:00 am to 8:20 am? It wants it in x and y components. Homework Equations I found this equation online- i(L sin 2pi(T/12)) + j ((L cos 2pi (T/12))...
  6. B

    My Personal Hurricane Barometer Watch: Anyone Want To Join?

    Observed at Providence, Rhode Island: 05:30 UTC 28 August 2011: 29.68"Hg 05:45 UTC 28 August 2011: 29.67"Hg 06:00 UTC 28 August 2011: 29.68"Hg 06:15 UTC 28 August 2011: 29.70"Hg 06:30 UTC 28 August 2011: 29.71"Hg 06:45 UTC 28 August 2011: 29.70"Hg 07:00 UTC 28 August 2011: 29.67"Hg 07:15...
  7. alemsalem

    Professor Balakrishnan's Quantum & Classical Physics Lectures: Worth a Watch!

    These are professor Balakrishnan's quantum physics lectures, he also has classical physics lectures, they're worth watching,, he's good.. Enjoy ^_'' Edit: These are not very introductory, for that you can see Susskind's Lectures, or something else you might find..
  8. E

    Watch Family Guy: The Big Bang Theory

    Just wanted to say the new Family Guy episode is brilliant! Episode is called The Big Bang Theory, even if you don't like family guy this episode is going to become a classic for anyone even remotely bothered about science. Watch It! Chris
  9. A

    Watch the Adders Fight Over Miss Fatty Brown in Norway!

    In Norway, we have a peak year not only for lemmings, but also for Vipera Berus, the European adder/viper. We also have dedicated snake lovers, like this woman, who enjoys having roughly 8 vipers outside her garden (her neighbours are rather annoyed that she doesn't kill them on sight). On...
  10. E

    Anyone Watch Fringe - Mysterious Equation

    So I was watching Fringe this morning and this came up. Then the character ominously solved it with a zero. I could solve the integral but there is a symbol that appears in the beginning that I am not familiar with. Plus, with the emphasis on him solving it with zero, maybe this is a famous...
  11. A

    For any one who does dangerous sports/activities. Don't watch this

    For anyone who does dangerous sports/activities.Don't watch this is you are easily upset, you know what is going to happen. It happens at the end so you can safely watch the start and bail out.If this is considered inappropriate please remove it mods, but a warning has been given...
  12. T

    Watch someone's life through their eyes

    Kinda like "Being John Malkovitch" but not quite. My scenario deals with historical figures that are dead. What if it were possible to relive someone elses life, watch it on a tv perhaps, AND hear their thoughts as they thought them... We have Einstien's brain somewhere, right? If it were...
  13. K

    Who Is the Inspirational Speaker in This Touching Video?

    I wish he was alive, what a loss to humanity. At least his words still persist and shine hope for the future: https://www.youtube.com/watch?v=j2oXFWKpJiA
  14. C

    Watch How Light Bends: Refraction Explained

    what causes the light to bend in the following vidio? http://www.youtube.com/watch?v=hBQ8fh_Fp04&playnext=1&list=PL993D6B3429F14C8A i think its refraction.
  15. turbo

    Watch SNL commercials on NBC tonight

    Watch SNL commercials on NBC tonight! Shimmer is a floor wax. No, it's a dessert topping, you cow!
  16. E

    Angular Velocity of Analog Watch

    Homework Statement Calculate the angular velocity of the second, minute, and hour hand of a watch. Homework Equations Assuming the watch is functioning normally, a second hand must travel the entire 360 degrees in 60 second. The formula ω= ɵ/t would be used, where ω is angular velocity...
  17. ╔(σ_σ)╝

    Canadians surf web, watch YouTube, consult Wikipedia more than any other users

    Really? I would think US users use it more... http://ca.news.yahoo.com/canadians-surf-watch-youtube-consult-wikipedia-more-other-20101228-020009-784.html" continued How do they even get their data such as age demographics ? I hope they are not data-mining.
  18. Math Is Hard

    Will I Like Dexter? My First Experience with the Show

    I've just rented the first season on DVD. I have never seen the show before and I don't know if I am going to be too squeamish to watch it. I like scary stuff, but not too gory. I could never watch the Saw movies, for example. I've heard from friends that the Dexter plots are very good, and...
  19. L

    Why is my wrist watch sometimes cold, and sometimes warm?

    Hello forum, I have a metal wrist watch made of stainless steel and titanium (I think) and I was wondering why it is sometimes warm and sometimes cold (or colder than my body temperature it even gets unconfortable). I was thinking, is there something like a threshold body temperature where the...
  20. Borek

    Are Men with Longer Index Fingers Less Likely to Get Prostate Cancer?

    http://www.bbc.co.uk/news/health-11880415 prostate cancer.
  21. lisab

    Watch out for that kid oh, nevermind

    Watch out for that kid!...oh, nevermind We've seen this kind of illusion before...they're really cool... http://news.blogs.cnn.com/2010/09/09/3d-illusion-in-street-tries-to-change-drivers-attitudes/?hpt=C2 But is this really such a good idea, to desensitize drivers to kids in the...
  22. A

    Watch LHC Operation in realtime

    FYI. You can watch LHC ops in realtime here. Currently ramping. http://op-webtools.web.cern.ch/op-webtools/vistar/vistars.php?usr=LHC1
  23. Evo

    WATCH IT World Cup car football (soccer)

    This is awesome. If you want to skip the info on the car, skooch ahead to 1:23 minutes. WATCH IT WITH ME! Or be banned!
  24. chemisttree

    News Terror Watch Along US Mexico Border

    The Department of Homeland Security has just issued a terror watch to law enforcement agencies in Texas. A Somali terrorist smuggler residing in Texas (how does that happen?) has been running a "large-scale smuggling operation" recently unsealed Federal court documents reveal. The...
  25. J

    Energy stored in a mechanical watch spring

    My mind often wanders while driving, and since I had been reading a lot about watches one particular day, as well as having read an article on springs made of carbon nano-tubes, I thought it might be possible to power small electronic devices with a mechanical self-winding watch movement...
  26. F

    Time Dilation: How Can a Watch Tick Slower?

    They say that when you go faster in space your watch would tick slower. How can the watch tick slower when the watch has a constant ticking rate determined by the gearratio? (I do understand that the rate of time decreases as the velocity increases)
  27. Topher925

    Watch Our Portable Fuel Cell Video - IAEHE Competition

    Watch my video...or else! Some fellow students and myself recently entered a portable fuel cell competition for the international association for hydrogen energy. As part of this competition, we had to make a video presentation and put it on youtube. We are trying to get as many views and...
  28. K

    Time on watch dependent on air temperature?

    Homework Statement Can anyone give me a hand on how to start this? I would attempt a solution but I've tried over and over and can't seem to get anywhere. A man sets his watch at noon by the sound of a factory whistle 3 miles away. If the temperature of the air is 20-degrees C, how many...
  29. Ivan Seeking

    Watch for Northern Lights tonight

    The Northern Lights - aurora borealis - may be visible tonight south of the 45 parallel. http://www.swpc.noaa.gov/pmap/gif/pmapN.gif http://www.swpc.noaa.gov/pmap/pmapN.html
  30. marcus

    Livine's Feb 17 talk, if you only watch one Perimeter talk this year

    http://pirsa.org/10020079/ Great talk about cool results. Perimeter has videos of a lot of excellent valuable lectures on line but if you would only watch one, be sure it's this :biggrin:
  31. turbo

    Should you watch this movie? (or run away)

    My wife and I have a neighbor who seems to buy DVDs at whim, as does his wife. We have borrowed movies from them, only to find that many (most!?) are not worth watching. They have "chick flicks", "sci fi", and other "drive-in" fare in spades. but it is rare that we can borrow a movie from them...
  32. MotoH

    Today, we watch the downfall of a car manufacturer.

    http://www.cnn.com/2010/US/02/13/tacoma.recall/" Things are not looking good at the Toyota plant. Even though it is only 8,000 trucks, each recall and warning hurts them more and more.
  33. C

    Why Can't I Watch Videos on YouTube Despite Meeting All Requirements?

    When I go to you tube to watch videos it says that I either have JavaScript turned off or an old version of Adobe's Flash Player. But I have met both of those requirements and it still won't let me watch videos . Does anyone know how to fix this or have any ideas ? Anything would be...
  34. J

    Calculus II, what should I watch out for?

    Hi, I'm taking Calculus II in the Spring and I'm wondering what you guys did to succeed in that class. I know it's different for each school, but in general, I've heard calc 2 was integration hell. Anyways, here are some topics that was listed in the Fall Calc 2 final review, what should I look...
  35. W

    Calculus II and what to watch out for.

    I hear that calc II is the hardest course in the calculus sequence. I am not sure why this is, but it is something that I hear constantly. Why is it considered to be so difficult? Are there a lot of formulas or are there many different applications of formulas, ideas, and logic? Obviously people...
  36. W

    Help Me Choose a Watch for My Birthday

    My family is pooling to get me a watch for my upcoming mid 20s bday, since I've never had one for long time. I've looked around different sites and have absolutely no idea which to get. There is too many choices, and I don't know what the trend is today. So just wondering if anyone here is...
  37. E

    Special Relativity Time Travel to Future - Could You Watch the News on Earth?

    If you are traveling away from Earth on a spaceship near the speed of light, it is well known that the moving clocks on the ship run slower relative to stationary clocks on earth. I was wondering if while on the space ship, you could watch the news on TV and see events progress at a...
  38. Evo

    Watch the Amazing Scuba Cat Video

    Check out the Scuba Cat video! http://animals.howstuffworks.com/pets/scuba-cat.htm
  39. S

    News Uncovering the Truth Behind the First $350 Billion of the TARP Bailout

    http://thehill.com/leading-the-news/conservative-group-sues-for-tarp-details-2009-02-16.html Hopefully this will be informative. The Obama administration has promised to put the second part of TARP on the web.
  40. W

    Is it possible to watch time progress faster?

    In theory, if you set up say a satellite camera pointed to a location in new york city, got in a space ship, turned on a tv with a live feed of the sim city like perspective of NYC, shot away going near the speed of light, would you start seeing time on Earth progressing faster and faster?
  41. Saladsamurai

    Do the doctors on House perform their own surgeries?

    Anyone watch "House"? I have a question. First let me say that I know it is TV. But, my question is this: In an episode that I watched today, the three main doctors besides House (I don't know their names...black guy, white guy white chick works) performed a surgery on a patient. Don't they...
  42. G

    Which Luxury Watch Brand Should I Choose?

    Omega Breitling Tag Which one? I am spoiling myself early this year. I will get a decent end of year bonus this year so it won't break my bank. Also, I don't buy nice watches to show off, I just like nice watches. They can complete a nice outfit.
  43. Evo

    Did anyone watch Fringe show tonight?

    Did anyone watch this tv show tonight? It had a scene about an immersion tank that reminded me of the William Hurt movie "Altered States". I will be back after Andrew Zimmern's season premiere with more, but here are a few clips from Altered States...
  44. Greg Bernhardt

    Amazing Cat Tricks: Watch the Machine in Action!

    This is pretty cool! Cat style machine doing tricks! http://www.youtube.com/trexgonewild
  45. G

    How many of you watch tennis or European sports ?

    My days of watching football are almost gone, I used to watch it with friends while tailgating , however they have all gotten married and are either in medical or law school, yes all of us have gone our own separate ways; they've remained in Iowa while I moved to Georgia. Do we converse on the...
  46. turbo

    Deciphering Squid Communication Through Light Patterns

    Watch NOVA on PBS tonight! Hopefully, you'll get the same feed we are scheduled for, regarding cuttlefish, squids, etc. It's amazing what these critters can do!
  47. E

    PC restarts everytime I watch a video

    My pc restarts everytime I watch a video after 5 minutes (e.g. on youtube or if I watch a video with the windows media player) . a) I've already done a memory test (the memtest ran for 6 hours and didn't show any errors) b) I formatted the hard drive and reinstalled windows XP...
  48. X

    How Does High-Speed Travel Affect Time Perception?

    Hello guys, I have a problem solving these two questions, anybody come up with any idea will be appreciated... 1. A jet plane circles the Earth at the equator with a speed of Mach 4. By how much time is the pilot’s watch slow when it lands? 2. A spaceship leaves Earth for a distant star. It...
  49. L

    Music Funny Music Video: "I Want a Robot" | Must Watch!

    http://www.youtube.com/watch?v=eaGgpGLxLQw" The lyrics and video had me laughing so hard. Very well done. I want one of those robots!
  50. D

    Anyone here ever watch arrested development?

    And if so, have you ever noticed how much Buster looks like Ed Witten?
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