Editing 1727: Number of Computers
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This comic shows a {{w|semi-log plot}} with two red lines. The first line shows the increasing rate that {{w|computers}} have been created since the first came around in the 1940s. The graph shows this to occur around 1946. ({{w|Computer#First_computing_device|The precise date can be discussed}} but it was {{w|Computer#Digital_computers|around that time}} that the concept began to be applied to real working machines.) After the first computer, the number of computers created is shown to increase in a roughly straight line, indicating {{w|exponential growth}}. At the time of this comic's release in 2016, the curve has passed 10 billion computers, and its projection into the 2020s predicts that the number of computers will keep rising exponentially for at least 10 years to come. | This comic shows a {{w|semi-log plot}} with two red lines. The first line shows the increasing rate that {{w|computers}} have been created since the first came around in the 1940s. The graph shows this to occur around 1946. ({{w|Computer#First_computing_device|The precise date can be discussed}} but it was {{w|Computer#Digital_computers|around that time}} that the concept began to be applied to real working machines.) After the first computer, the number of computers created is shown to increase in a roughly straight line, indicating {{w|exponential growth}}. At the time of this comic's release in 2016, the curve has passed 10 billion computers, and its projection into the 2020s predicts that the number of computers will keep rising exponentially for at least 10 years to come. | ||
| − | The other plot on this graph represents all the computers destroyed by throwing them into {{w|Jupiter}}. So far this | + | The other plot on this graph represents all the computers destroyed by throwing them into {{w|Jupiter}}. So far this has only worked for the computers on two [[:Category:Space probes|space probes]]: those on the {{w|Galileo (spacecraft)|Galileo orbiter}} and its {{w|Galileo Probe|probe}}. The latter's mission was to fly into Jupiter so it went first in 1995; the orbiter went only after it had completed its mission in 2003. That constitutes the first two steps on the graph. |
Recently the {{w|Juno (spacecraft)|Juno space probe}} entered into orbit (as only the second after Galileo), and that was celebrated with [[1703: Juno]] on xkcd. Juno's main mission has hardly begun yet; as at the time of this comic's release, it is not even in its final orbit. But once its mission is completed, it will also crash into Jupiter thus destroying a third computer. This is shown as the third step, but this section is shown with a dotted line, as the destruction may still fail if {{w|NASA}} loses contact with the probe before giving it the order to {{w|deorbit}} into Jupiter. This is now scheduled to occur in 2025. All three steps on the graph fits with these years. (Note the number of computers created is not drawn with a dotted line into the future, probably because [[Randall]] believes this continued increase in numbers of computers to be quite certain over the next 10-20 years, whereas the outcome of a space probe mission is never certain, even when the probe is already in orbit and only 1½ years before scheduled deorbit!) | Recently the {{w|Juno (spacecraft)|Juno space probe}} entered into orbit (as only the second after Galileo), and that was celebrated with [[1703: Juno]] on xkcd. Juno's main mission has hardly begun yet; as at the time of this comic's release, it is not even in its final orbit. But once its mission is completed, it will also crash into Jupiter thus destroying a third computer. This is shown as the third step, but this section is shown with a dotted line, as the destruction may still fail if {{w|NASA}} loses contact with the probe before giving it the order to {{w|deorbit}} into Jupiter. This is now scheduled to occur in 2025. All three steps on the graph fits with these years. (Note the number of computers created is not drawn with a dotted line into the future, probably because [[Randall]] believes this continued increase in numbers of computers to be quite certain over the next 10-20 years, whereas the outcome of a space probe mission is never certain, even when the probe is already in orbit and only 1½ years before scheduled deorbit!) | ||
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The caption below the comic humorously implies that NASA's reasons for causing the probes to deorbit into Jupiter is merely an attempt to destroy all the computers of the world. The caption notes that they are failing horribly, given that they have destroyed only three computers out of more than 10 billion. However, due to the semi-log scale, those three computers appear to have more significance than they actually have. The caption states that NASA really needs to pick up the pace (having only destroyed two since the 1940s, when computers were created), if they wish to actually finish the job of destroying all computers by hurling them into Jupiter. In addition, seeing as there have been many computers destroyed by other means, NASA will never actually catch up, no matter how hard they try, making this statistic even more irrelevant. | The caption below the comic humorously implies that NASA's reasons for causing the probes to deorbit into Jupiter is merely an attempt to destroy all the computers of the world. The caption notes that they are failing horribly, given that they have destroyed only three computers out of more than 10 billion. However, due to the semi-log scale, those three computers appear to have more significance than they actually have. The caption states that NASA really needs to pick up the pace (having only destroyed two since the 1940s, when computers were created), if they wish to actually finish the job of destroying all computers by hurling them into Jupiter. In addition, seeing as there have been many computers destroyed by other means, NASA will never actually catch up, no matter how hard they try, making this statistic even more irrelevant. | ||
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The title text continues the caption by mentioning that in NASA's annual reports they try to make their numbers look better by counting the redundant computer systems on Galileo and its probe, thus doubling the numbers of destroyed computers to four. This of course makes no big difference given the exponential growth of computer production, which is also noted. This indicates that this is a top priority for NASA. That NASA might try to make themselves look better in a report by doubling a number could be realistic, presumably for political reasons or to get better funding. | The title text continues the caption by mentioning that in NASA's annual reports they try to make their numbers look better by counting the redundant computer systems on Galileo and its probe, thus doubling the numbers of destroyed computers to four. This of course makes no big difference given the exponential growth of computer production, which is also noted. This indicates that this is a top priority for NASA. That NASA might try to make themselves look better in a report by doubling a number could be realistic, presumably for political reasons or to get better funding. | ||
