The
earliest, and still the cheapest, barcode scanners are built from a
fixed light and a single photosensor that is manually "scrubbed" across
the barcode. Barcode scanners can be classified into three
categories based on their connection...
Changing Weather And Exam Phobia
It is believed that there are four seasons: spring, autumn, summer and winter. But don’t forget that there is another and a very important season in man’s life that is exam season. It is also called by some other names as well by dear students. And this examination season has started and .....
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Take the advantage of Consumer Day
The Consumer WebGuia is an online service created by ZOOM to clarify the main doubts and fears about shopping online and the Code of Consumer Protection.
Ranking Of Universities
Financial health of the institution, number of students, research productivity and quality of research produced, infrastructure, annual graduate output, annual graduate output and student satisfaction are the factors that are observed while ranking universities....
Spider Web
By weight comparison spider web is five times stronger than steel and twice as strong as artificial fiber; it is only one tenth the diameter of a human hair. The wonder doesn't stop here as spider silk displays many other reason defying properties like the ability to absorb high impact energy by stretching itself (elasticity) and has a breaking point significantly higher than any other known material......
Amaing Records Of Temperature Ever
On July 21, 1983, the temperature at the Vostok Station in Antarctica dropped to −89.2 °C (−128.6 °F), and this is the coldest temperature ever recorded on earth. The largest recorded snowflake was 15in wide and 8in thick. It fell in Montana in 1887. Also in June 22, 2003 a large thunderstorm moved across south-central Nebraska, and after a hailstorm local residents in Aurora found an extremely large hailstone and quickly put it in a freezer to keep it from melting. It was examined by the National Climate Extremes Committee who measured it as being 17.8 cm (7.0 in) diameter and 47.6 cm (18.75 in) circumference.
