Wednesday, November 14, 2007

Definition of Glass

The materials meaning of a glass is a uniform amorphous solid material, generally produced when a rightfully viscous molten material cools very quickly to below its glass transition temperature, thus not giving enough time for a regular crystal lattice to form. A simple instance is when table sugar is melted and cooled quickly by dumping the liquid sugar onto a cold surface. The resulting solid is amorphous, not crystalline similar to the sugar was originally, which can be seen in its concordat fracture.
The word of glass comes from Latin glacies (ice) and corresponds to German Glass, M.E. glas, A.S. gales. Germanic tribes used the word gales to say amber, recorded by Roman historians as glaesum. Anglo-Saxons used the word glaer for amber.
The residue of this article will be concerned with a definite type of glass—the silica-based glasses in common make use of as a building, container or pretty material.
In its pure form, glass is a clear, relatively strong, hard-wearing, basically inert and biologically inactive material which can be shaped with very smooth and impervious surfaces. These pleasing properties lead to a great many uses of glass. Glass is, on the other hand, brittle and will break into sharp shards. These properties can be modified, or even changed completely, with the addition of other compounds or heat treatment.
Common glass is generally amorphous silicon dioxide (SiO2), which is the same chemical compound establish in quartz, or in its polycrystalline shape, sand.

Sunday, November 04, 2007

Trees

Trees are an main component of the natural countryside due to their prevention of erosion and the provision of a specific weather-sheltered ecosystem in and less than their foliage. Trees have also been found to play an important role in producing oxygen[citation needed] and reducing carbon dioxide in the atmosphere, as well as moderating ground temperatures. They are also significant elements in landscaping and agriculture, both for their aesthetic appeal and their orchard crops (such as apples). Wood from trees is a common building material.

Tuesday, October 16, 2007

Asian Paradise Flycatcher

The Asian Paradise Flycatcher, also known as the universal Paradise Flycatcher, is a medium-sized passerine bird. It was until that time classified with the Old World flycatcher family Muscicapidae, but the paradise flycatchers, monarch flycatchers and Australasian fantails are now in general grouped with the drongos in the family Dicruridae, which has most of its members in Australasia and tropical southern Asia.

The Asian Paradise Flycatcher breeds from Turkistan to Manchuria. It is drifting, wintering in tropical Asia. There are resident populations further south, for example in southern India and Sri Lanka, so both visiting migrants and the close by breeding variety occurs in these areas in winter.

This species is typically found in thick forests and other well-wooded habitats. Three or four eggs are laid in a cup nest in a tree.

The adult male Asian Paradise Flycatcher is about 20 cm long, but the long tail decorations double this. It has a black crested head, chestnut upperparts and pale grey under parts.

The female of all races resembles the stale joke male, but has a grey throat, smaller crest and lacks the tail streamers.

The Asian Paradise Flycatcher is a noisy bird with a sharp sweet call. It has short legs and sits very upright whilst perched significantly, like a shrike. It is insectivorous, often hunting by fly catching.

Monday, October 08, 2007

Apple Computer

Apple Computer, Inc. NASDAQ: AAPL is a Silicon Valley company based in Cupertino, California, whose nucleus business is computer technologies. Apple helped originate the personal computer revolution in the 1970s with the Apple II microcomputer and has since further shaped it with the Macintosh. Apple is known for its original, well-designed hardware, such as the iPod and iMac, as well as software offerings exemplified through iTunes as part of the iLife suite and Mac OS X, its flagship operating system.

Sunday, September 23, 2007

China wall

The Great Wall is the world's longest human-made arrangement, stretching over about 6,400 km (4,000 miles) from Shanhai Pass in the east to Lop Nur in the west, along an arc that roughly delineates the southern edge of Inner Mongolia. It is also the biggest human-made structure ever built in terms of surface area and mass. A number of walls, referred to as the Great Wall of China, were built since the 5th century BC, the most famous being the one built between 220 BC and 200 BC by the first Emperor of China, Qin Shi Huang. That wall was much farther north than the current wall, built through the Ming Dynasty, and little of it remains.

Tuesday, August 21, 2007

Apple Computer

Apple Computer, Inc. NASDAQ: AAPL is a Silicon Valley company based in Cupertino, California, whose nucleus business is computer technologies. Apple helped originate the personal computer revolution in the 1970s with the Apple II microcomputer and has since further shaped it with the Macintosh. Apple is known for its original, well-designed hardware, such as the iPod and iMac, as well as software offerings exemplified through iTunes as part of the iLife suite and Mac OS X, its flagship operating system.

Thursday, November 09, 2006

Ganesha drinking milkNEW DELHI:

In a re-run of the September 1995 frenzy when Ganesha statues were said to be drinking milk offered to them, devotees apparently thronged temples on Sunday night, making alike claims. This time, nevertheless, all idols were reported to be drinking milk.
This followed some reports received from additional parts of the country, particularly UP, earlier in the day. Shiv Mandir in Uttam Nagar and Shri Ram temple on Aruna Asaf Ali Marg in New Delhi witnessed a huge rush.
Said a Ram temple priest, "People observed that Ganesha is drinking milk around 8 pm, after which the word spread and thousands thronged the temple to try it out. Lord Ganesha drank milk from all. The crowd remained till around 11 pm."
Rationalists have explained the scientific cause behind this phenomenon, including surface tension, but faith and superstition always hit back. Said a devotee, "It was amazing."