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Showing content with the highest reputation on 07/20/19 in all areas

  1. 2 points
    Magic and science are not compatible, but magic and life should be. It would be a shame if science obscures the magic of life; understanding how the engineering problems were overcome and the maths of how to accurately get to the moon, pales in the magic and awe of looking up at that celestial body and knowing that one of us is looking down at this one. Knowledge and understanding, magic and science, are two very different things; no real reason they can't both exist as long as we understand why they're both valuable.
  2. 1 point
    Here's the problem: The equation for time dilation is T = t/sqrt(1-v2/c2) with c being the speed of light In your example t = 2 days, v=c, and T would be the time measured on Earth. But if v=c, the above equation reduces to T = 2/0 days. 2/0 has no answer, it is "undefined". Now in reality, we can know how long it takes light as measured by the Earth to travel some distance. For example, we know that it takes roughly 8 min for the light from the Sun to reach the Earth. So really what you are asking is how much time would the light measure? That in equation form reduces to 8 min = t/0 But we have run into the same problem, there is no time period that, when divided by zero, gives an answer of 8 min. The upshot is that it is meaningless to talk about how much time is measured by the light. In physics parlance, you would say that light, or anything else that travels at c, does not have a valid inertial frame from which to make measurements.
  3. 1 point
    No it is not possible to travel at light speed. If you keep accelerating you will get closer and closer but never reach light speed. This nothing to do with science. Believe it or don’t believe it. Your choice.
  4. 1 point
    Reminds me of a passage of Lee Siegel, quoted in many texts by Dennett: .
  5. 1 point
    Robots use could be because of physical danger from e.g. falling debris.
  6. 1 point
    It is worth noticing that they use robots for taking the scrap out. Pictures from an article in Greek newspaper https://www.kathimerini.gr/1034458/gallery/epikairothta/kosmos/etsi-sw8hke-h-notr-ntam-apo-thn-katastrofh
  7. 1 point
    Users agree to it, by using application which is using p2p technology.. Skype used to be p2p before it was bought by Microsoft. https://www.lifewire.com/skype-changes-from-p2p-3426522 https://arstechnica.com/information-technology/2012/05/skype-replaces-p2p-supernodes-with-linux-boxes-hosted-by-microsoft/ Not once, I saw in firewall that Skype was taking significant amount of bandwidth, without me sending or receiving any data through it.
  8. 1 point
    I It would be boring on Mars too. I think of it like being in the middle of the Sahara desert, the excitement would wear off pretty quick for me. Unless it was near Hydrothermal vents. That would be exciting. I don't think watching 185 mph (300km/h) winds go around a whole planet would be monotonous, think of the view, I could watch it all day. Above is an idea by NASA, - HAVOC airship. https://en.m.wikipedia.org/wiki/High_Altitude_Venus_Operational_Concept Some lander ideas for Venus. There are also some advantages to colonising Venus. https://en.m.wikipedia.org/wiki/Colonization_of_Venus
  9. -1 points
    Im not a professional scientist or physicist I only got my network and that's no evidence I can show, but if you think that the universe is made of pourous water you will have more easy understanding everything. By the way the early hot is electricity, and the dense is water. Also the simple complexity of Hydrogen and Oxygen should by logic reveal that we are talking about the beginning.
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