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Everything posted by Endy0816
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What if your car is a 100 foot limo?
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Are motion detectors set at 60 seconds or 1 minute??
Endy0816 replied to Iwonderaboutthings's topic in Physics
[latex]g=\frac{GM_{Earth}}{r^{2}} =(6.6742\textup{x}10^{-11})\frac{5.9736\textup{x}10^{24}}{(6.37101\textup{x}10^{6})^{2}}=9.822\textup{m}/\textup{s}^{2} [/latex] The equation for determining force due to gravity is: [latex]F=\frac{Gm_{1}m_{2}}{r^{2}} [/latex] So as long as you are on Earth's surface you can use: [latex]F=gm [/latex] If you change your radius or the amount of mass involved, g is no longer relevant. -
Can you elaborate? Edit: Saw the other thread. Cosmos might have been talking about quantum mechanical effects.
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Why do some materials burn to ash rather than melting?
Endy0816 replied to MirceaKitsune's topic in Classical Physics
Ash is a byproduct of a chemical reaction. Something melting is a phase change. Take ice melting. It is still H2O afterwards. It has changed phase but the chemical equation is still the same. Compare that with burning Hydrogen(combining Hydrogen with Oxygen) and converting it into H2O instead. -
:'(
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Download speeds would be slower. Compare hooking up directly to a cable versus using wireless.
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You would need contamination to go from the primary to the secondary to the tertiary. In physical terms we're talking about leaks in two separate heat exchangers. If the maintenance team is that incompetent you have much bigger issues. At some point you have to dump the heat back to the environment. Can't get around that. Better to use it and minimize the thermal footprint of your reactor.
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Fidelity, physical damage, and determining meaning are the main practical issues. Mostly you are looking at a cable and brain surgery for best results. For wireless there would be data rate issues and a need for a receiver. then you need a program to translate your thoughts into meaning. At present you teach it, it isn't trying to learn by itself. What we have wouldn't work without your involvement or an extreme level of monitoring(in which case your every action is known anyways).
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I've seen a few projects done with it. From everything people have said you machine as you would conventional metal of that type. Most common one I've seen mentioned is Aluminum Foam. The seller's page has pretty decent technical specs.
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The question you asked is just loaded. Belief applies to religion. Theories are based on proof. The idea is that you don't let your thinking become fossilized or set. You forever question and challenge(from a position of understanding) in hopes of advancing our knowledge.
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http://en.wikipedia.org/wiki/Lambda_phage Basically the host sets things in motion for the virus.
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People are generally living longer, so the cancer rates are going to increase. We deal with one thing and what kills people is whatever we haven't dealt with yet. Even if we developed a cure for all types of Cancer tomorrow, we're still going to have people dying from other illnesses. You should feel free to do what you can to minimize your own risk. Relates to your genetics, lifestyle and environment. Dig into the scientific literature and if nothing else schedule regular screenings. Don't fall for the assorted hype. It is human nature to latch on to the easy answer, when in reality the more difficult route will yield the best results.
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Space can expand faster than light can travel. These forces are thought to propagate at the speed of light.
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Looking at MIT's article(source) they seem more designed to slightly lower perceived temperature indoors(cooling in pulses), thereby reducing some of the cost of cooling the whole building. Makes more sense, definitely not an AC replacement like some of these sites are claiming. Peltiers do suck on efficiency. They can heat, they can cool, they can produce electricity; only thing they can't do is be efficient about it. :'( Maybe take several multiple smaller coolers and have them jointed together. Wouldn't look quite so blocky and could pass for trendy/fashionable. Otherwise, yeah, foot would definitely work better. People are already used to foot warmers, this would be a foot cooler. Preferably with a plug, more efficient and would keep people from expecting them to perform miracles.
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Cancer isn't a single disease. Some types can be recognized and fought by the immune system, others not so much. Immune system can even end up helping some of them. Imagine playing against an opponent who has your entire playbook. There is hope. Either via advancing medical tech singling out features unique to cancer cell types and killing them or utilizing some of the methods employed other species. You can't prevent mutations, but you can minimize the danger they represent.
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I had heard of something along those lines to improve exercise times. Was a different cooling mechanism but same basic concept. I can't recall reading about any follow-up, not sure if it panned out or not.
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What submarine navigation aids are currently developed ?
Endy0816 replied to Externet's topic in Engineering
The Bluefin-21 has a GPS, fiber optic laser gyro inertial navigation system, Doppler velocity log, synthetic vision system and Ultra-Short Baseline acoustic positioning system. http://www.bluefinrobotics.com/products/bluefin-21/ http://defensesystems.com/articles/2014/04/14/navy-bluefin-auv-maylasia-flight-370.aspx I recall laser gyro's being the mainstay on the sub I was on. Bluefin's advert page highlights that as well. -
It is well known that the "Asphyxiation Risk Excuse" is only accepted when temperatures reach below -300 F.
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You would still be constrained by the laws of thermodynamics.
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Kilograms is a measure of mass, not weight. The CERN FTL measurement ended up being revealed to be in error. The more accurate formula to calculate gravity being: F=(GMm)/r2 or the Gravitational constant, multiplied by your two masses, divided by the square of your radius. No mention of charges or Coulomb's constant. Even just using intuition, you can work from observations of the Moon's lower gravity and reason that the grade school value for gravitational acceleration, 9.8m/s2 must be a simplification. I'm sure there's more, but not really feeling the need to go through it all. If you want to actually learn something and not simply pontificate, then you need to sit down with good ol' Wikipedia for awhile. There are some deep connections out there to be found, but you are never going to find them if you don't even know the work that has already been done.
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I've been trying to figure out how to respond. Interesting topic and it does involve one of my favorite games. Minecraft can definitely provide a decent challenge, especially the more interesting Superflat customizations. When the Mobs have been your only source of resources, you look at normal maps in a whole new light. There are pathfinding algorithms. What most of the AI's actions are based on. A route between their current state and their assigned goal. Not sure this exactly counts as part of game theory. The raw power needed to completely solve some of these games would be huge, but can find ideal paths through the problem space.
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A couple different ways we can move atoms around. Problem is doing it in a controlled fashion. There's different 3D printing technologies coming online. Most are operating on the macroscopic level though. Cloning would be a vastly simpler way to make a whole body. Obvious ethical issues, but relatively easy for us to pull off. Possibly we could rig a direct biological connection or a machine-aided connection between the two and transfer consciousness that way. Questionable how much of "You" would actually transfer, but we could probably manage something. We have no evidence for any form of free energy(and quite a bit against). That last bit is probably not going to happen.
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We do have the tech to combine parent's faces at least and determine a rough idea of what their offspring might look like. There are more responsive programs out. I'd hesitate on the intelligence part, but they can fool us monkeys pretty well. We evolved to read into things, even if said thing is totally inanimate we can mentally assign it human attributes. One concern is that parents might become overly attached. Could become a problem.
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Could run a test with someone else moving different objects near your head, while you are blindfolded.