Thursday, October 11, 2007

The real facts about Mars

Mars (Greek: Ares) is the God of War. The planet perhaps got this name due to its red color; Mars is at times referred to as the Red Planet. The name of the month March obtains from Mars.

Mars has been recognized since prehistoric times. Certainly, it has been broadly studied with ground-based observatories. But even very large telescopes find Mars a hard target, it's just too small. It is still a favorite of science fiction writers as the best place in the Solar System (other than Earth!) for human habitation. But the illustrious "canals" "seen" by Lowell and others were, regrettably, just as fantasy as Barsoomian princesses.

Mars' orbit is considerably elliptical. One result of this is a temperature variation of concerning 30 C at the sub solar point between aphelion and perihelion. This has a most important influence on Mars' climate. While the average temperature on Mars is about 218 K (-55 C, -67 F), and in summer, Martian surface temperatures range broadly from as little as 140 K (-133 C, -207 F) at the winter pole to roughly 300 K (27 C, 80 F) on the day side.

There is dreadfully clear evidence of erosion in many places on Mars together with large floods and small river systems. At some time in the past there was evidently some sort of fluid on the surface. Liquid water is the clear fluid but other possibilities exist. There possibly will have been large lakes or even oceans; the proof for which was strengthened by some extremely nice images of layered terrain taken by Mars Global Surveyor and the mineral logy results from MER Opportunity. Most of these points to wet episodes that occurred only for a short time and very long ago; the age of the erosion channels are estimated at about almost 4 billion years. However, images from Mars Express released in early on 2005 show what appears to be an ice-covered sea that was liquid very recently (maybe 5 million years ago). Confirmation of this interpretation would be an extremely big deal indeed!

Mars has a very thin atmosphere composed more often than not of the tiny amount of remaining carbon dioxide (95.3%) plus nitrogen (2.7%), argon (1.6%) and traces of oxygen (0.15%) and water (0.03%). The average pressure on the surface of Mars is simply about 7 millibars (below 1% of Earth's), but it varies to a great extent with altitude from almost 9 millibars in the deepest basins to about 1 millibar at the top of Olympus Mons. But it is thick enough to support very strong winds and measureless dust storms that on occasion engulf the entire planet for months. Mars' thin atmosphere produces a greenhouse consequence but it is only enough to lift up the surface temperature by 5 degrees (K); much less than what we observe on Venus and Earth.

Thursday, September 27, 2007

Australian Identity

I believe this view was based on a normal Australian male living in those times (1958). In my view this image represents a person living in those tough times and who was fashioned by his/her environment making him/her the person that he was. This explanation also vaguely matches ‘Michael’ in Crocodile Dundee. A statement that well describes Dundee and drinks deeply on occasion. Although he is the world’s best self-confidence man. I believe there possibly was a lot of truth in this explanation at the time. Russell Ward goes into describing details like even words and I don’t think he could make this entire up in his head because it wouldn’t be published if it was totally not true.

During 1958 Australia was still a very youthful country with a small population based on people from many nations. The towns were small and jobs would have concerned manual labour rather than being ‘thinking’ jobs, eg: lawyer, doctor, orthodontist, etc. I think the conditions that exist in Australia back then could have shaped the person that Ward describes here to some extent. From my position this statement still holds quite a lot of truth, even today. They are frequently in the ‘public eye’ because they are popular and people know them from films or music and the media reporting of every scam and modify that goes on in their personal life.

Monday, September 10, 2007

Abraham Lincoln

The brave man of the familiar People. It had been an extended time coming. Terribly separated by the issue of slavery, thirty-one million American citizens were in 1860
Called upon to vote for 16th President of the United States. The Democratic Party meets at its National Party Convention in Charleston, South Carolina, in order to choose their candidate in favor of the presidency. Split over slavery, each section, Northern Democrats on the one hand and Southern Democrats on the other, presented its own conflicting proposal for the party platform.

In February 1860, Senator Jefferson Davis of Mississippi claimed that neither the Congress of the United States nor the territorial parliaments had the control to handle slavery.

Monday, September 03, 2007

Donkey jacket

A Donkey jacket is a minute buttoned coat, normally made of unlined black or dark blue woolen stuff; originally worn as a work jacket in the United Kingdom. When used as a work jacket, it infrequently bears the name of the company which supplies the jacket, or the name of the company for which the wearer works. The jacket usually has two large hip pockets, and at times an inside poacher's pocket. The donkey jacket is regarded as characteristic of the British manual worker.

Monday, August 27, 2007

Computer networking

Computer networking is the engineering discipline anxious with communication between computer systems. Such communicate systems comprise a computer network and these networks generally involve at least two devices able of being networked with at least one usually being a computer. The devices can be separated by a small number of meters or nearly unlimited distances. Computer networking is sometimes considered a sub-discipline of telecommunications, and sometimes of computer science, information technology and computer engineering. Computer networks rely a lot upon the abstract and practical application of these scientific and engineering disciplines.

A computer network is any set of computers connected to each other. Examples of networks are the Internet, a wide area network that is the largest to always exist, or a little home local area network (LAN) with two computers connected with standard networking cables connecting to a network interface card in each computer.

Monday, August 20, 2007

Hourglass

An hourglass, also known as a sandglass or sand timer or sand clock, is a machine for the measurement of time. It consists of two glass bulbs located one above the other which are joined by a narrow tube. One of the bulbs is usually filled with fine sand which flows through the narrow tube into the bottom bulb at a given rate. Once all the sand has run to the bottom bulb, the device is inverted in order to measure another time period.

Monday, August 13, 2007

Denim

Denim, in American usage since the late eighteenth century, shows a rough cotton twill textile, in which the weft passes under two (twi- "double") or more warp fibers, producing the memorable diagonal ribbing specialized on the reverse of the fabric, which distinguishes denim from cotton duck. Denim was conventionally colored blue with indigo dye to make blue "jeans," though "jean" then denoted a different, lighter cotton textile; the up to date use of jean comes from the French word for Genoa, Italy (GĂȘnes), from which the initial denim trousers were made.

Tuesday, August 07, 2007

Soul Bags

A Soul Bag is a bag used by Warlocks to hold more Soul Shards than they would normally be able to carry in conventional containers. The soul bag consumes a regular container slot, however, so it reduces the number of available slots for non-Soul Shard items. The value of the trade-off is up to the individual Warlock.

Soul Shards harvested by the Warlock are automatically stored in an equipped Soul Bag when acquired, making tedious Soul Shard housekeeping a thing of the past. Helpfully, soul bags also display the number of soul shards stored within them on the bag icon on the container tool bar.

Tuesday, July 31, 2007

Flower

A flower is the reproductive structure of those plants classified as angiosperms. The flower structure incorporates the reproductive organs, and its occupation is to create seeds through sexual reproduction. For the higher plants, seeds are the next generation, and serve as the primary means by which persons of a species are dispersed across the landscape. After fertilization, portions of the flower develop into a fruit containing the germ.

Sunday, July 22, 2007

Marketing

Marketing is one of the most significant functions in business. It is the regulation required to understand customers' needs and the benefits they seek. Academia does not have one commonly agreed upon description. Even after a better part of a century the dispute continues. In a nutshell it consists of the social and managerial processes by which goods or services and value are exchanged in order to fulfill the needs and wants of individuals or groups. Although many people appear to think that "marketing" and "advertising" are synonymous, they are not. Advertising is simply one of the lots of processes that together constitute marketing.

Friday, July 13, 2007

Salad

Salad is a light meal — or, as part of a larger meal, much more of an taster — consisting of mixed vegetables (usually including at least one leaf vegetable) or fruit, frequently with a dressing or sauce, occasionally nuts and sometimes with the addition of meat, fish or cheese. It is generally seen as a healthy dish, although not always low in calories, salt, sugar, or fat because of the dressing that is often added. The word "salad" comes from the French salad of the same meaning, which in twist is from the Latin salata, "salty", from sal, "salt".

Sunday, July 08, 2007

Rose

A rose is a flowering shrub of the genus Rosa, and the flower of this shrub. There are more than a hundred classes of wild roses, all from the northern hemisphere and typically from temperate regions. The species form a group of normally prickly shrubs or climbers, and sometimes trailing plants, reaching 2–5 m tall, hardly ever reaching as high as 20 m by climbing over other plants.Rose hips are sometimes eaten, mostly for their vitamin C content. They are typically pressed and filtered to make rose-hip syrup, as the fine hairs surrounding the seeds are unpleasant to eat. They can also be used to create herbal tea, jam, jelly and marmalade.

Sunday, July 01, 2007

Fishing

Fishing is the activity of hunting for fish by hooking, trapping, or gathering. By extension, the term fishing is applied to pursuing other aquatic animals such as various types of shellfish, squid, octopus, turtles, frogs, and some edible marine invertebrates. The term fishing is not usually applied to pursuing aquatic mammals such as whales, where the term "whaling" is more appropriate. Fishing is an ancient and worldwide practice with various techniques and traditions and it has been transformed by modern technological developments. In addition to providing food through harvesting fish, modern fishing is both a recreational and professional sport.

Tuesday, June 26, 2007

Scientific Methods

The scientific method seeks to explain the complexities of nature in a replicable way, and to use these explanations to construct useful predictions. It provides an objective method to find solutions to problems in a number of scientific and technological fields. Often scientists have a predilection for one outcome over another, and scientists are conscientious that it is vital that this preference does not bias their interpretation. A strict following of the scientific method attempts to minimize the pressure of a scientist's bias on the outcome of an experiment. This can be achieved by correct experimental design, and a thorough peer assessment of the experimental results as well as conclusions of a study.

Scientists use models to refer to a explanation or depiction of something, specifically one which can be used to construct predictions that can be tested by experiment or observation. A hypothesis is a disputation that has been neither well supported nor yet ruled out by experiment. A theory, in the context of science, is a logically self-consistent model or framework for recitation the behavior of certain natural phenomena. A theory typically describes the behavior of much broader sets of phenomena than a hypothesis — commonly, a large number of hypotheses may be logically bound together by a single theory. A physical law or law of nature is a scientific generalization based on a adequately large number of empirical observations that it is taken as fully verified.

Saturday, June 23, 2007

Goldfish

The goldfish, Carassius auratus, was one of the earliest fish to be domesticated, and is still one of the most usually kept aquarium fish and water gardens. A comparatively small member of the carp family ,which also includes the koi carp and the crucian carp, the goldfish is a domesticated version of a dark-gray/brown carp native to East Asia that was introduced to Europe in the late 17th century. The mutation that gave rise to the goldfish is also known from other cyprinid species, such as common carp and tench. Goldfish may grow to a maximum length of 23 inches (59 cm) and a maximum weight of 9.9 pounds (4.5 kg), although this is rare; few goldfish reach even half this size. In optimal conditions, goldfish may live more than 20 years (the world record is 49 years), but most household goldfish generally live only six to eight years, due to being kept in bowls.A group of goldfish is known as a troubling.

Sunday, June 17, 2007

Coppicing

Coppicing is a conventional method of woodland organization in which young tree stems are cut down to a low level. In subsequent growth years, many new shoots will come out and after a number of years the cycle begins again and the coppiced tree, or stool, is ready to be harvested again.Typically a coppice woodland is harvested in sections, on a rotation. In this way each year a crop is available. This has the side-effect of as long as a rich variety of habitats, as the woodland always has a range of dissimilar aged stools growing in it. This is helpful for biodiversity. The cycle length depends upon the species cut, the local custom, and the use to which the product is put. Birch can be coppiced for faggots on a 3- or 4-year cycle, whereas oak can be coppiced over a 50-year cycle for poles or firewood.

Monday, June 11, 2007

Urban archaeology

Urban archaeology is a sub regulation of archaeology specializing in the material past of towns and cities where long-term human habitation has often gone a rich record of the past. Humans generate waste. Large concentrations of humans manufacture large concentrations of waste. Feces, kitchen waste, broken objects etc. all need to be liable of. Small numbers of people can dispose of their waste locally without heartening vermin or endangering their health. Once people began to exist together in large numbers, around five thousand years ago, such methods began to become impractical. Material would be brought into the new settlements but would rarely be taken out again.

Wednesday, June 06, 2007

Krill fishery

Krill fishery is the commercial fishery of krill, small shrimp-like marine animals that live in the oceans world-wide. Estimates for how much krill there is vary wildly, depending on the methodology used. They range from 125–725 million tonnes of biomass globally. The total global harvest of krill from all fisheries amounts to 150 – 200,000 tonnes annually, mainly Antarctic krill (Euphausia superba) and North Pacific krill (E. pacifica).
Krill are rich in protein (40% or more of dry weight) and lipids (about 20% in E. superba). Their exoskeleton amounts to some 2% of dry weight of chitin. They also contain traces of a wide array of hydrolytic enzymes such as proteases, carbohydrases, nucleases and phospholipases, which are intense in the digestive gland in the cephalothorax of the krill.
Most krill is used as aquaculture feed and fish bait; other uses comprise livestock or pet foods. Only a small percentage is prepared for human consumption. Their enzymes are interesting for medical applications, an expanding sector since the early 1990s.

Sunday, May 27, 2007

Introduction of Hard Disk

Hard disks were initially developed for use with computers. In the 21st century, applications for hard disks have extended beyond computers to consist of digital video recorders, digital audio players, personal digital assistants, digital cameras, and video game consoles. In 2005 the first mobile phones to contain hard disks were introduced by Samsung Group and Nokia. The need for large-scale, reliable storage, independent of a particular device, led to the beginning of configurations such as RAID, hardware such as network attached storage (NAS) devices, and systems such as storage area networks (SANs) for efficient access to large volumes of data.

Friday, May 18, 2007

Mealy machine

A Mealy machine is a finite state machine that generates an output based on its current state and an input. This means that the state diagram will include both an input and output signal for each transition edge. In contrast, the output of a Moore finite state machine depends only on the machine's current state; transitions have no input attached. However, for each Mealy machine there is an equivalent Moore machine whose states are the union of the Mealy machine's states and the Cartesian product of the Mealy machine's states and the input alphabet.

The name Mealy machine comes from that of the concept's promoter, G. H. Mealy, a state-machine lead the way who wrote "A Method for Synthesizing Sequential Circuits" in 1955.

Mealy machines provide a basic mathematical model for cipher machines. Considering the input and output alphabet the Latin alphabet, for example, then a Mealy machine can be designed that given a string of letters can process it into a ciphered string. However, although you could probably use a Mealy model to describe Enigma, the state diagram would be too complex to provide feasible means of designing complex ciphering machines.