Driving in the dark takes more concentration than daytime driving, to make life easier you should try and avoid looking directly at oncoming cars.

of the universe that humans have observed is darkness. It is either nothing, or it is full of objects so far away from Earth that their light hasn’t reached our field of vision yet.

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This is one hell of a fantastic SF and it hit me in all the right feels. It's not flashy, either, just really well made. Lou Arrendal, a computer programmer at a large corporation, lives alone but has a pretty tight group of friends and belongs to a fencing club. He is also autistic. Although Lou works in a special section of his company (Section A) that’s comprised entirely of autistics, he spends much of his free time with “normals” and is secretly in love with Marjory Shaw, a normal at the local university. Quite a few of the autistics in Lou’s support group resent his spending time with her, seeing it as a form of betrayal and self-hatred. Lou’s supervisor, Peter Aldrin, has an autistic brother, understands their problems, and has been extremely sensitive to the his Section A employees. But his CEO, Mr. Crenshaw, can’t see past the balance sheet and is eager to shut the section down and get rid of the autistics altogether. And he may have found a way. A new drug is said to cure autism, and Mr. Crenshaw wants Section A to take it. Most of them are wary—they suffer from a condition, not a disease, and have good reason to suspect Crenshaw’s motives. Lou is unsure as well, but before he can make up his mind, he faces more immediate threats. Someone has begun stalking him—slashing his tires, then planting a bomb in the car’s engine—and the police make him hide out while they investigate. To Lou it makes no sense at all and confirms his low opinion of the normals. Does he really want to be like them? Or can the exceptions (such as Marjory) make the change worthwhile? Sometimes a life and death struggle is not the hardest kind.

The other is a military psychological manual that I ‘borrowed’ from my captain’s office during my tour of duty. It was explained there that there are four basic temperamental traits in humans, and that they can be determined through tests. [Choleric, Sanguine, Phlegmatic, Melancholic] M. Vogelsberger, A. Helmi, V. Springel, S. D. M. White, J. Wang, C. S. Frenk, A, Jenkins, A. Ludlow, and J. F. Navarro, “Phase-Space Structure in the Local Dark Matter Distribution and its Signature in Direct Detection Experiments,” Mon. Not. R. Astron. Soc. 395, 797 (2009). And now you might see where this is going. Light is a particle, a photon, and darkness is nothing but a description of the absence of photons. Darkness is not a particle, it’s not a material that we can chase around in a laboratory.

All babies are born autistic, one of our group said once. We laughed nervously. We agreed, but it was dangerous to say so.

The title refers to a philosophical construct Lou thinks of—we know the speed of light, but when light gets there, dark is there before it, and we don’t know the speed of dark. At different times this is viewed as ignorance being illuminated, and as the darkness inside of the head being pierced by light. It’s indicative of how well Moon shows Lou’s perceptions from inside that we come to value what he is the way he is and hesitate with him over having his darkness illuminated. Registered office: Ageas House, Hampshire Corporate Park, Templars Way, Eastleigh, Hampshire, SO53 3YA It’s the mark of a wonderful storyteller when I become very interested in some subject I’d never had interest in – fencing in this case – I did get an intro in high school gym/drama and two of my friends continued and took intermediate fencing, but really I haven’t been at all interested since then. Essentially, physiological functions aside, the human brain exists to analyze and generate patterns.” Therefore, the speed of darkness would also be 300,000 kilometers per second in a vacuum, 225,000 kilometers per second in water, and so on. From a scientific standpoint, darkness is neither faster nor slower than light, since it travels at the speed of light itself.

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If you are having issues driving at night, particularly when it comes to things like clearly reading road signs, it’s a good idea to get your eyes tested. Keep your windscreen and mirrors clean If you expand the concept of dark, however, it may appear that the dark has a speed all its own. Consider a dark spot in a beam of light, which might be created by placing a piece of cloth or other object over part of the light source. While this dark spot might not meet strict criteria for total darkness, it travels at the same speed as the rest of the non-obstructed light [source: University of Illinois]. This same speed of darkness holds true if you equate darkness to how long it takes for the light to go away when the power is switched off -- again, the speed of dark in this case is equal to the speed of light. Lou Arendale is struggling to be a functioning adult, integrated in ‘normal’ society, but he is constantly baffled by the illogical actions of these people he is supposed to model his behaviour on. Most matter in the Milky Way and other galaxies is invisible matter. For nearly a century, astronomers have deduced the existence of such dark matter by measuring its gravitational influence on the visible stars and gas within galaxies [ 1]. And high-powered telescopes now routinely make detailed maps of where this dark matter is located [ 2]. But how fast dark matter moves—a quantity that affects the interpretation of dark matter detection experiments—is less well understood. To this point, astrophysicists have estimated the characteristic speed of dark matter using simple theoretical ideas [ 3]. A new study by Jonah Herzog-Arbeitman from Princeton University, New Jersey, and colleagues [ 4] now comes at this question from a different perspective. Using numerical simulations, the researchers identify “old” stars in the Galaxy that share the same characteristic speed as the dark matter, thereby providing a new window into the dark side of our Galaxy. I have strong objections to the word "normal" anyway. Watching what Lou went through throughout this book was heartbreaking. First the forced pressure to be cured and, on the other side, does he want to be? It's very difficult to watch this struggle and to see how he's been made to feel less and other all of his life.

Quantum entanglement is the strange phenomena where two particles are inexplicably linked and communicate even though they may be separated by distances as far as thousands of light years. Take caution when driving in the dark by driving slower, paying attention to the surface of the road and looking out for pedestrians and animals You should know how to demist your windows too. Familiarise yourself with the window heater settings and turn on the air con. The temperature controls aren’t just for summer and will help to remove moisture from the inside of your car. Well, we know now that light is a particle and darkness is simply the absence of light. From this follows a few things we can be sure of: She served in the USMC from 1968 to 1971, first at MCB Quantico and then at HQMC. She married Richard Moon, a Rice classmate and Army officer, in 1969; they moved to the small central Texas town where they still live in 1979. They have one son, born in 1983.L. Necib/Caltech Figure 1: (Left) Distribution of all stars in the simulation of a Milky-Way-like galaxy used by Herzog-Arbeitman and colleagues [ 4]. The center of the galaxy is in the center of the image. The color scheme indicates the density of stars, from densest (yellow) to least dense (blue). (Middle, Right) The distribution of the oldest stars (middle) and the dark matter (right) in the same simulated galaxy and in the same coordinate system. As in the left image, the density of old stars is largest in the center of the galaxy. The dark matter distribution is more spherical and extended than the all-stars distribution. × Now, light travels at a rough speed of 300,000 kilometers per second in a vacuum (in the absence of a medium). That is, light possesses speed of its own and, therefore, physical properties of its own. Furthermore, we can produce light because light has a source from which it originates. This makes light an independent physical entity. Independent light source (Photo Credit : Wikimedia Commons) StarTalk Radio. "Cosmic Queries: A Stellar Sampling." April 13, 2014. (Oct. 25, 2014) http://www.startalkradio.net/show/cosmic-queries-a-stellar-sampling/