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  3. It's just a big stone, really

It's just a big stone, really

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  • C Colin Leitner

    A satellite may weight 1-5 tons I guess. A asteriod can be as big as our moon or bigger (Pluto is seen as a kind of asteriod by many scientists). So the mass of most asteroids that could be dangerous for us is so high that it's like throwing stones against mountains.

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    Ryan Johnston 0
    wrote on last edited by
    #16

    Right, but it is a mountain that is moving through space along a certain path. If you hit it just right, you can slightly (very very very slightly) change its path. Over the course of time, that small change becomes continuously more significant. Ryan Johnston

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    • D David Wulff

      Well doesn't it? Would the same results happen with a different material? Not necessarily.


      David Wulff http://www.davidwulff.co.uk

      One 18yrs male, red and white, good condition; daily servicing required. £500 collect ono.

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      David Stone
      wrote on last edited by
      #17

      But it proves that small objects can impact bigger objects. Besides...millions of people walk that street every day. Thus it would stand to reason that the concrete is strong and well made. David Stone It seemed similar to someone saying, "Would you like to meet my knife collection?" Ryan Johnston on Elaine's sig

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      • C Colin Leitner

        ESB height: 381 m Penny weight: 1g (?) Energy in penny on top of the ESB: m*g*h = 0,001 kg * 9,81 m / s^2 * 381 m = 3,73761 J Now this is the energy inside the penny to engrave the street. hmmm 4 joule? I think your breakfeast has more power in it :-D. Just kiding!

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        David Stone
        wrote on last edited by
        #18

        But I don't think energy has anything to do with how a penny imbeds itself in cement. I believe that is an issue of velocity. Which would lead to the penny being imbedded in the cement. David Stone It seemed similar to someone saying, "Would you like to meet my knife collection?" Ryan Johnston on Elaine's sig

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        • D David Wulff

          "Hey let me shoot your son incase someone tries to shoot me in the future and I need to protect myself".


          David Wulff http://www.davidwulff.co.uk

          One 18yrs male, red and white, good condition; daily servicing required. £500 collect ono.

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          David Stone
          wrote on last edited by
          #19

          But that's an issue of killing a sentient being versus shooting a metal object at a big rock. :) David Stone It seemed similar to someone saying, "Would you like to meet my knife collection?" Ryan Johnston on Elaine's sig

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          • R Ryan Johnston 0

            Right, but it is a mountain that is moving through space along a certain path. If you hit it just right, you can slightly (very very very slightly) change its path. Over the course of time, that small change becomes continuously more significant. Ryan Johnston

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            David Stone
            wrote on last edited by
            #20

            Exactly my point. If NASA is off by 2 degrees, the astronauts overshoot the moon by hundreds of kilometers. (Yes. An American using metric...shocking isn't it? :-D) David Stone It seemed similar to someone saying, "Would you like to meet my knife collection?" Ryan Johnston on Elaine's sig

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            • D David Wulff

              "Hey let me shoot your son incase someone tries to shoot me in the future and I need to protect myself".


              David Wulff http://www.davidwulff.co.uk

              One 18yrs male, red and white, good condition; daily servicing required. £500 collect ono.

              L Offline
              L Offline
              Lost User
              wrote on last edited by
              #21

              David Wulff wrote: "Hey let me shoot your son incase someone tries to shoot me in the future and I need to protect myself". Your analogy doesn't work - you're trying to humanize a frozen rock. Here is a scenario to consider if we don't practice... "Oh sh!t! Here comes a big asteroid that's definitely gonna wipe out our planet. I hope we can hit it, we only get one chance." "Damn..."

              Mike Mullikin :beer: The daisies in my arse are better than the depressive so called reality you are sniffing and accepting. Paul Watson

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              • D David Stone

                But that's an issue of killing a sentient being versus shooting a metal object at a big rock. :) David Stone It seemed similar to someone saying, "Would you like to meet my knife collection?" Ryan Johnston on Elaine's sig

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                David Wulff
                wrote on last edited by
                #22

                David Stone wrote: a sentient being ...arguable. ;P Sorry Mike! David Stone wrote: shooting a metal object at a big rock I cannot overplay the Godzilla referrence in my other reply enough.


                David Wulff http://www.davidwulff.co.uk

                One 18yrs male, red and white, good condition; daily servicing required. £500 collect ono.

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                • D David Wulff

                  David Stone wrote: a sentient being ...arguable. ;P Sorry Mike! David Stone wrote: shooting a metal object at a big rock I cannot overplay the Godzilla referrence in my other reply enough.


                  David Wulff http://www.davidwulff.co.uk

                  One 18yrs male, red and white, good condition; daily servicing required. £500 collect ono.

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                  David Stone
                  wrote on last edited by
                  #23

                  But the Godzilla reference was dealing with chaos theory. You are saying that we could turn a small thing into something huge and menacing. So if we practice on an asteroid, you're saying that we will alter the course of events such that something drastic could happen. Kind of like a butterfly in England causing a Monsoon in Thailand. That's a theory and it's not true all the time. Besides, if we knock the rock a bit, we're just going to send it somewhere far off into space. David Stone It seemed similar to someone saying, "Would you like to meet my knife collection?" Ryan Johnston on Elaine's sig

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                  • L Lost User

                    David Wulff wrote: "Hey let me shoot your son incase someone tries to shoot me in the future and I need to protect myself". Your analogy doesn't work - you're trying to humanize a frozen rock. Here is a scenario to consider if we don't practice... "Oh sh!t! Here comes a big asteroid that's definitely gonna wipe out our planet. I hope we can hit it, we only get one chance." "Damn..."

                    Mike Mullikin :beer: The daisies in my arse are better than the depressive so called reality you are sniffing and accepting. Paul Watson

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                    David Wulff
                    wrote on last edited by
                    #24

                    Mike Mullikin wrote: Your analogy doesn't work - you're trying to humanize a frozen rock No, I was taking the piss without being sarcastic. Mike Mullikin wrote: Here is a scenario to consider if we don't practice... Godzilla again! Think how it all started. and yes I *do* know Godzilla is a sci fi story! :)


                    David Wulff http://www.davidwulff.co.uk

                    One 18yrs male, red and white, good condition; daily servicing required. £500 collect ono.

                    L 1 Reply Last reply
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                    • D David Stone

                      Exactly my point. If NASA is off by 2 degrees, the astronauts overshoot the moon by hundreds of kilometers. (Yes. An American using metric...shocking isn't it? :-D) David Stone It seemed similar to someone saying, "Would you like to meet my knife collection?" Ryan Johnston on Elaine's sig

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                      Ryan Johnston 0
                      wrote on last edited by
                      #25

                      David Stone wrote: Yes. An American using metric...shocking isn't it? Not to me. I, being an American myself, wish that the US would convert to the metric system. It is so ignorant that we haven't yet (no wonder the rest of the world thinks we are fools). Ryan Johnston

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                      • D David Wulff

                        We must always remember that we are an infitismal part of an infinite picture - making the slightest changes could damage the larger system irepairibly. I don't think we should go jumping into everything feet first. Think Godzilla - same thing, just not sci fi. If (and maybe when) something becomes a threat to use then we will be forced to take action to try to prevent it - we are required to through our instinct to survive - but until then is is nothing more than vandalism, which could have a huge unforseen effect.


                        David Wulff http://www.davidwulff.co.uk

                        One 18yrs male, red and white, good condition; daily servicing required. £500 collect ono.

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                        Neil Van Eps
                        wrote on last edited by
                        #26

                        David Wulff wrote: we are an infitismal part of an infinite picture - making the slightest changes could damage the larger system irepairibly Aren't these two thoughts completely at odds with one another? Neil Van Eps "When you are courting a nice girl an hour seems like a second. When you sit on a red-hot cinder a second seems like an hour. That's relativity." -Albert Einstein

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                        • D David Stone

                          But the Godzilla reference was dealing with chaos theory. You are saying that we could turn a small thing into something huge and menacing. So if we practice on an asteroid, you're saying that we will alter the course of events such that something drastic could happen. Kind of like a butterfly in England causing a Monsoon in Thailand. That's a theory and it's not true all the time. Besides, if we knock the rock a bit, we're just going to send it somewhere far off into space. David Stone It seemed similar to someone saying, "Would you like to meet my knife collection?" Ryan Johnston on Elaine's sig

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                          David Wulff
                          wrote on last edited by
                          #27

                          David Stone wrote: , if we knock the rock a bit, we're just going to send it somewhere far off into space. And if a rock knocks us? ...? David Stone wrote: But the Godzilla reference was dealing with chaos theory No, it was about us (people) jumping in with new ideas "for the best" without taking the responsibility for the possible actions. We just don't know what could happen (or indeed what might not happen) but we want to jump right on in and play around anyway?! These are the big boys' toys now - break something and you're in for it.


                          David Wulff http://www.davidwulff.co.uk

                          One 18yrs male, red and white, good condition; daily servicing required. £500 collect ono.

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                          • D David Stone

                            But it proves that small objects can impact bigger objects. Besides...millions of people walk that street every day. Thus it would stand to reason that the concrete is strong and well made. David Stone It seemed similar to someone saying, "Would you like to meet my knife collection?" Ryan Johnston on Elaine's sig

                            D Offline
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                            David Wulff
                            wrote on last edited by
                            #28

                            David Stone wrote: Besides...millions of people walk that street every day. Thus it would stand to reason that the concrete is strong and well made. If everyone was to walk around wearing sharpened high-heeled shoes that would not necessarily be the case. David Stone wrote: But it proves that small objects can impact bigger objects. It has nothing to do with the size of two objects, it is what they are made of that counts. A penny (at least sterling pennies) are made of copper, thus is stands to reason that copper has a high density or whatever the heck that property was that was mentioned in my physics lecture when we discussed this exact same example than concrete.


                            David Wulff http://www.davidwulff.co.uk

                            One 18yrs male, red and white, good condition; daily servicing required. £500 collect ono.

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                            • D David Stone

                              But it proves that small objects can impact bigger objects. Besides...millions of people walk that street every day. Thus it would stand to reason that the concrete is strong and well made. David Stone It seemed similar to someone saying, "Would you like to meet my knife collection?" Ryan Johnston on Elaine's sig

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                              Shog9 0
                              wrote on last edited by
                              #29

                              David Stone wrote: Besides...millions of people walk that street every day. Yeah, but people are soft and squishy. And they mostly wear shoes. Very considerate of things they walk on, people. Unlike pennies. When's the last time you saw a penny wearing shoes? I thought so. Inconsiderate little copper-colored bastards...

                              ---

                              Shog9 If I could sleep forever, I could forget about everything...

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                              • D David Wulff

                                Mike Mullikin wrote: Your analogy doesn't work - you're trying to humanize a frozen rock No, I was taking the piss without being sarcastic. Mike Mullikin wrote: Here is a scenario to consider if we don't practice... Godzilla again! Think how it all started. and yes I *do* know Godzilla is a sci fi story! :)


                                David Wulff http://www.davidwulff.co.uk

                                One 18yrs male, red and white, good condition; daily servicing required. £500 collect ono.

                                L Offline
                                L Offline
                                Lost User
                                wrote on last edited by
                                #30

                                David Wulff wrote: Godzilla again! Think how it all started. Don't get me wrong. I don't deny there is a slight risk in what they are planning. Especially since it's the European Space Agency. ;P It's more a matter of probability. The Earth WILL be hit by a large asteroid (large enough to end life on the planet) in it's future. It's just a matter of time. Will it be in 2019? Or will it be in 10 million years when man is long extinct? Why not try to be prepared to deal with it, even if you run a slight risk of creating a 100 foot radioactive lizard? ;)

                                Mike Mullikin :beer: The daisies in my arse are better than the depressive so called reality you are sniffing and accepting. Paul Watson

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                                • D David Wulff

                                  David Stone wrote: , if we knock the rock a bit, we're just going to send it somewhere far off into space. And if a rock knocks us? ...? David Stone wrote: But the Godzilla reference was dealing with chaos theory No, it was about us (people) jumping in with new ideas "for the best" without taking the responsibility for the possible actions. We just don't know what could happen (or indeed what might not happen) but we want to jump right on in and play around anyway?! These are the big boys' toys now - break something and you're in for it.


                                  David Wulff http://www.davidwulff.co.uk

                                  One 18yrs male, red and white, good condition; daily servicing required. £500 collect ono.

                                  D Offline
                                  D Offline
                                  David Stone
                                  wrote on last edited by
                                  #31

                                  David Wulff wrote: And if a rock knocks us? ...? We're trying to prevent the rock from knocking us. :| But what you're suggesting is chaos theory. The idea that a little thing here accumulates to a huge thing later due to a bunch of unrelated things happening and giving you a massive result. You're saying that if we hit the rock here, it could eventually go so far of course as to kill all life on another planet, or blow up a star, or hit the Vulcan spaceships passing by earth because we're so stupid that we're shooting asteroids...right? David Stone It seemed similar to someone saying, "Would you like to meet my knife collection?" Ryan Johnston on Elaine's sig

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                                  • N Neil Van Eps

                                    David Wulff wrote: we are an infitismal part of an infinite picture - making the slightest changes could damage the larger system irepairibly Aren't these two thoughts completely at odds with one another? Neil Van Eps "When you are courting a nice girl an hour seems like a second. When you sit on a red-hot cinder a second seems like an hour. That's relativity." -Albert Einstein

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                                    David Wulff
                                    wrote on last edited by
                                    #32

                                    Neil Van Eps wrote: Aren't these two thoughts completely at odds with one another? I don't see why? For example, the smallest of changes to a chromosone can massively effect an orgasnism. Nice sig! :-D


                                    David Wulff http://www.davidwulff.co.uk

                                    One 18yrs male, red and white, good condition; daily servicing required. £500 collect ono.

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                                    • D David Stone

                                      Exactly my point. If NASA is off by 2 degrees, the astronauts overshoot the moon by hundreds of kilometers. (Yes. An American using metric...shocking isn't it? :-D) David Stone It seemed similar to someone saying, "Would you like to meet my knife collection?" Ryan Johnston on Elaine's sig

                                      D Offline
                                      D Offline
                                      David Wulff
                                      wrote on last edited by
                                      #33

                                      David Stone wrote: American using metric...shocking isn't it lol :) So what is the imperial equivalent? Two and a quart turnip roots? ;P


                                      David Wulff http://www.davidwulff.co.uk

                                      One 18yrs male, red and white, good condition; daily servicing required. £500 collect ono.

                                      1 Reply Last reply
                                      0
                                      • L Lost User

                                        David Wulff wrote: Godzilla again! Think how it all started. Don't get me wrong. I don't deny there is a slight risk in what they are planning. Especially since it's the European Space Agency. ;P It's more a matter of probability. The Earth WILL be hit by a large asteroid (large enough to end life on the planet) in it's future. It's just a matter of time. Will it be in 2019? Or will it be in 10 million years when man is long extinct? Why not try to be prepared to deal with it, even if you run a slight risk of creating a 100 foot radioactive lizard? ;)

                                        Mike Mullikin :beer: The daisies in my arse are better than the depressive so called reality you are sniffing and accepting. Paul Watson

                                        D Offline
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                                        David Wulff
                                        wrote on last edited by
                                        #34

                                        :)


                                        David Wulff http://www.davidwulff.co.uk

                                        One 18yrs male, red and white, good condition; daily servicing required. £500 collect ono.

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                                        • D David Wulff

                                          David Stone wrote: Besides...millions of people walk that street every day. Thus it would stand to reason that the concrete is strong and well made. If everyone was to walk around wearing sharpened high-heeled shoes that would not necessarily be the case. David Stone wrote: But it proves that small objects can impact bigger objects. It has nothing to do with the size of two objects, it is what they are made of that counts. A penny (at least sterling pennies) are made of copper, thus is stands to reason that copper has a high density or whatever the heck that property was that was mentioned in my physics lecture when we discussed this exact same example than concrete.


                                          David Wulff http://www.davidwulff.co.uk

                                          One 18yrs male, red and white, good condition; daily servicing required. £500 collect ono.

                                          S Offline
                                          S Offline
                                          Shog9 0
                                          wrote on last edited by
                                          #35

                                          David Wulff wrote: A penny (at least sterling pennies) are made of copper No clue what a sterling penny is, but AFAIK they stopped making pennies from copper (at least primarily) here, after copper become worth more than $0.01... They are mostly zinc now.

                                          ---

                                          Shog9 If I could sleep forever, I could forget about everything...

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