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  1. insert-username

    Time Dilation Question- NEED HELP

    Firstly, welcome to BoS! :D Now, for the question, first write out the important information, then substitute it correctly into the equation: To = 2.2 microseconds (rest time) Tv = 5 microseconds (dilated time) Tv = To/√(1 - v2/c2) √(1 - v2/c2) = To/Tv [Multiply both sides by √(1 - v2/c2)...
  2. insert-username

    hackers

    If your computer has been hacked, you can usually stop the hacker in their tracks by installing a virus scanner and a firewall. Usually, when a computer is hacked the hacker leaves behind some sort of virus, or program which he/she can communicate with (an IRC client, for example). Installing a...
  3. insert-username

    Your Fav. Firefox theme???

    Ditto. You tried Qute? Very clean and very clear. More an iconset than a full theme, but still good. :p I_F
  4. insert-username

    Windows Vista

    I'm liking the look of it so far - I'm aiming to get a dual-core laptop for uni at the end of this year with Vista. Check out a review of the latest Vista build (remember it's still months from release) here. Either way, it's a hell of a lot shinier than XP. And that's where half the appeal...
  5. insert-username

    Assumed Knowledge Assignment help!

    The Law of Conservation of Mass is also correct, but the Particle Theory states that matter can be neither created nor destroyed - only changed into different forms - that was the point I was getting at, sorry. I_F
  6. insert-username

    Quotes and Paragraphs

    The same thing happens when you hit "Preview Post" - all the text loses its line breaks. EDIT: I'm simply pointing out that it happens with Preview Post as well - more symptoms may help an admin fix the problem. I_F
  7. insert-username

    Is Firefox>Explorer?

    If you've just gotten Firefox, you'll need to install Flash and Shockwave for them to work, as they specifically find the web browsers present on your computer when they install. I_F
  8. insert-username

    Is Firefox>Explorer?

    Apparently, the beta that ships with build 5270 of Vista is quite good. The tab bar isn't permanently stuck to the top of the browser, and one review that I read stated the ultimate blasphemy: IE7 + Vista (since in Vista IE7 is run in a "protected high security" mode) may be good enough for that...
  9. insert-username

    signing out

    Make sure your computer is saving cookies - this *should* be the only thing that will keep logging you out (since logging in sets a cookie on your computer). In Firefox, you need to go through Tools -> Options ->Privacy -> Cookies. Then check "Allow sites to set cookies" and "Keep Cookies till...
  10. insert-username

    Favourite Chemistry Term

    6.02 x 1023. :p I_F
  11. insert-username

    Geforce 7900

    That's why Intel developed the BTX form factor... which no one seems to want to use. I_F
  12. insert-username

    ethanol as a fuel...(urgent!!!)

    Since ethene is mainly produced from crude oil, the problems of producing ethanol from ethene aren't necessary for this dot point. If ethanol is to be used as an alternative fuel, we can't produce it from exactly the same place as petrol - it needs to have a different (sustainable) source...
  13. insert-username

    Assumed Knowledge Assignment help!

    Not all hydrocarbons are gases. Petrol is a mixture of alkanes (mainly octane), so there's your liquid fossil fuel. As for solid fossil fuel, pure coal is about 95% carbon, with a few impurities like sulfur. However, I'm pretty sure good old C will do for coal. I_F
  14. insert-username

    Who Gets Tutored/Coached?

    Woah, looks like I should pay more attention to who's posting what... :p I_F
  15. insert-username

    no more animated avatars?

    You can't upload a new animated avatar till you have custom status. All current ones will remain working, custom status or no. I_F
  16. insert-username

    Yr.12 Space PRAC exam

    I'll get my one back when school goes back - our assessment was the second last day of term 4... :( I_F
  17. insert-username

    Geforce 7900

    It's replacing the 7800 GTX at the top of nVidia's product line, and it's a higher-end card. When it's released, the 7800 will probably come down in price by a significant margin (hopefully) to the lower end of the high-performance cards. I_F
  18. insert-username

    Who Gets Tutored/Coached?

    The extensive tutoring discussion in a few other threads, and constant references from users "at tutoring" "I'm tutored by", etc. :p I_F
  19. insert-username

    Who Gets Tutored/Coached?

    I think everyone here gets tutoring in something apart from me. Then again, I live in the middle of nowhere, so yeah... tutor access isn't as strong. It's all down to me and what I can bug out of the teachers. :p I_F
  20. insert-username

    series help- Time payments

    Hey there, welcome to BoS. :) Firstly, we need to sort out the important parts of the question: P = $2000 R = 1% per month (I assume interest is calculated monthly) n = 36 months Now we write out the repayment, remembering that the first 3 months are interest free (M is the monthly...
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