Some of these UNDOCUMENTED MSDOS commands might save your computing life one day, as they have saved mine. I will post here new DOS secrets every time Ill also. Overview. FarStone DriveClone is one of the most popular hard disk HDD solid state drive SSD cloning and migration software. DriveClone is a time money saver. Use a Drone Simulator to Practice Before You Buy. No one wants to buy a 5. Practice on a simulator before you buy one, just to be safe and show off in front of friends. Practice is an important factor in mastering any skill. You want the hours you put in to be asRead more Read. Drone simulators are perfect for honing your skills or finding out if you even care about the hobby at all. ZHbn_jLR_x4/UP-1vtyh6JI/AAAAAAAAAFM/zbSgpyr3eis/s640/TDU2.jpg' alt='Download Test Drive Unlimited 2 Highly Compressed' title='Download Test Drive Unlimited 2 Highly Compressed' />Besides replicating the physics of quadcopter flight, drone simulators offer other features like a variety of locations to practice, multiplayer action, and support for gear you already have at home. Low Barrier to Entry. Offline Mmorpg S. The best part about learning to fly on a drone simulator is the low barrier to entry. And by low, I mean free. The Drone Racing League offers its PC and Mac compatible simulator gratis, so you can simply download, install, and start flying. Not only does that mean everyone can get into drone racing provided they have a PC or Mac that meets the minimum requirements, it means you can do it all without spending a penny. No Drone or Controller Required. Pro drone pilots use specific RC controllers worth hundreds of dollars with a variety of settings specific to quadcopter control. If you, like me, dont have a few hundred bucks to spend on a specialized controller to practice, you can always use the ones you have. If you can connect your gaming controller I use an Xbox 3. Your monitor shows off the first person view, so you wont need any expensive flight goggles either. Faster Resetting Means Faster Learning. Crashing an actual drone instantly grinds your high flying party to a halt. Now youve got to get up, find the crash site, and make sure your quadcopter is still functional before hitting the gas and going for another run. If youre crashing in a drone simulator, pressing a single button instantly resets your position and gets you ready to fly again. Its perfect for nailing down basics like flying between some trees or a box without having to sit in the heat or walk through a park to retrieve your precious equipment. Compete Against Actual Pilots. The Drone Racing League simulator offers an online multiplayer mode, letting you compete with other pilots. If youre interested in the competitive aspect, online play will put you against other pilots, some of whom are actual professionals. Theres no need to travel to an event when you can race in your own. Practice Makes Perfect. After spending a few days practicing, I can safely say that drone racing is an incredibly difficult skill to master. Its a very smart way to test your skill as a drone pilot, or practice before you bite the bullet and get a drone of your own. My fascination with drone racing was grounded in reality after a few days of playing. In short, I suck, though I can thank the simulator for saving me a few hundred bucks on some starter quadcopter. With the 2. 01. 7 Drone Racing League season debuting on ESPN2 this year, and the finals taking place on July 8, I think Ill watch the pros play instead. Ride 6 Software on this page. Cetacea Wikipedia. Cetacea are a widely distributed and diverse clade of aquatic mammals that today consists of the whales, dolphins, and porpoises. Cetaceans are carnivorous and finned. Most species live in the sea, some in rivers. The name is derived from the Latincetus whale and Greekketos huge fish. Barbie Cooking Games Without Ing there. There are around 8. Odontoceti or toothed whales, a group of more than 7. Mysticeti or baleen whales, of which there are now 1. The extinct ancestors of modern whales are the Archaeoceti. While cetaceans were historically thought to have descended from mesonychids, molecular evidence supports them as a relative of Artiodactyls even toed ungulates. Cetaceans belong to the order Cetartiodactyla formed by combining Cetacea Artiodactyla and their closest living relatives are hippopotamuses and other hoofed mammals camels, pigs, and ruminants, having diverged about 5. Cetaceans range in size from the 1 m 3 ft 3 in and 5. Mauis dolphin to the 2. Several species exhibit sexual dimorphism. They have streamlined bodies and two external limbs that are modified into flippers. Though not as flexible or agile as seals, cetaceans can swim very quickly, with the killer whale able to travel at 5. Dolphins are able to make very tight turns while swimming at high speeds. The hindlimbs of cetaceans are internal, and are thought to be vestigial. Baleen whales have short hairs on their mouth, unlike the toothed whales. Cetaceans have well developed sensestheir eyesight and hearing are adapted for both air and water, and baleen whales have a tactile system in their vibrissae. They have a layer of fat, or blubber, under the skin to maintain body heat in cold water. Some species are well adapted for diving to great depths. Although cetaceans are widespread, most species prefer the colder waters of the Northern and Southern Hemispheres. They spend their lives in the water, having to mate, give birth, molt or escape from predators, like killer whales, underwater. This has drastically affected their anatomy to be able to do so. They feed largely on fish and marine invertebrates but a few, like the killer whale, feed on large mammals and birds, such as penguins and seals. Some baleen whales mainly gray whales and right whales are specialised for feeding on benthic creatures. Male cetaceans typically mate with more than one female polygyny, although the degree of polygyny varies with the species. Cetaceans are not shown to have pair bonds. Male cetacean strategies for reproductive success vary between herding females, defending potential mates from other males, or whale song which attracts mates. Calves are typically born in the fall and winter months, and females bear almost all the responsibility for raising them. Mothers of some species fast and nurse their young for a relatively short period of time, which is more typical of baleen whales as their main food source invertebrates arent found in their breeding and calving grounds tropics. Cetaceans produce a number of vocalizations, notably the clicks and whistles of dolphins and the moaning songs of the humpback whale. The meat, blubber and oil of cetaceans have traditionally been used by indigenous peoples of the Arctic. Cetaceans have been depicted in various cultures worldwide. Dolphins are commonly kept in captivity and are even sometimes trained to perform tricks and tasks, other cetaceans arent as often kept in captivity with usually unsuccessful attempts. Cetaceans have been relentlessly hunted by commercial industries for their products, although this is now forbidden by international law. The baiji Chinese river dolphin has become Possibly Extinct in the past century, while the vaquita and Yangtze finless porpoise are ranked Critically Endangered by the International Union for Conservation of Nature. Besides hunting, cetaceans also face threats from accidental trapping, marine pollution, and ongoing climate change. Baleen whales and toothed whaleseditThe two parvorders, baleen whales Mysticeti and toothed whales Odontoceti, are thought to have diverged around thirty four million years ago. Baleen whales have bristles made of keratin instead of teeth. The bristles filter krill and other small invertebrates from seawater. Grey whales feed on bottom dwelling mollusks. Rorqualfamily balaenopterids use throat pleats to expand their mouths to take in food and sieve out the water. Balaenids right whales and bowhead whales have massive heads that can make up 4. Most mysticetes prefer the food rich colder waters of the Northern and Southern Hemispheres, migrating to the Equator to give birth. During this process, they are capable of fasting for several months, relying on their fat reserves. The parvorder of Odontocetes the toothed whales include sperm whales, beaked whales, killer whales, dolphins and porpoises. They have conical teeth designed for catching fish or squid. A few, such as the killer whale, feed on mammals, such as pinnipeds and other whales. They have well developed senses their eyesight and hearing are adapted for both air and water, and they have advanced sonar capabilities using their melon. Their hearing is so well adapted for both air and water that some blind specimens can survive. Some species, such as sperm whales, are well adapted for diving to great depths. Several species of odontocetes show sexual dimorphism, in which the males differ from the females, usually for purposes of sexual display or aggression. Toothed whales feed largely on fish and marine invertebrates. AnatomyeditCetacean bodies are generally similar to that of fish, which can be attributed to their lifestyle and the habitat conditions. Their body is well adapted to their habitat, although they share essential characteristics with other higher mammals Eutheria. They have a streamlined shape, and their forelimbs are flippers. Almost all have a dorsal fin on their backs that can take on many forms depending on the species. A few species, such as the beluga whale, lack them. Both the flipper and the fin are for stabilization and steering in the water. The male genitals and mammary glands of females are sunken into the body. The body is wrapped in a thick layer of fat, known as blubber, used for thermal insulation and gives cetaceans their smooth, streamlined body shape. In larger species, it can reach a thickness up to half a meter 1. Sexual dimorphism evolved in many toothed whales. Sperm whales, narwhals, many members of the beaked whale family, several species of the porpoise family, killer whales, pilot whales, eastern spinner dolphins and northern right whale dolphins show this characteristic. Males in these species developed external features absent in females that are advantageous in combat or display. For example, male sperm whales are up to 6. They have a cartilaginous fluke at the end of their tails that is used for propulsion. The fluke is set horizontally on the body, unlike fish, which have vertical tails. Hind legs are not present in cetaceans, nor are any other external body attachments such as a pinna and hair. Whales have an elongated head, especially baleen whales, due to the wide overhanging jaw. Bowhead whale plates can be 4 metres 1. Their nostrils make up the blowhole, with one in toothed whales and two in baleen whales. The nostrils are located on top of the head above the eyes so that the rest of the body can remain submerged while surfacing for air.