Science Essays

A small cube (m=0.690 kg) is at a height of 297.0 cm up a frictionless track which has a loop of radius, R = 38.61 cm at the bottom. The cube starts from rest and slides freely down the ramp and around the loop. Find the velocity of the block …

Probability is a fascinating math concept. It can be applied in many aspects of our students’ daily lives. As the world of technology continues to grow, teaching of many math concepts can be done in the classroom and reinforced by math learning websites. The coin flip and roll dice games …

Mathematics and art have a long historical relationship. The ancient Egyptians and ancient Greeks knew about the golden ratio, regarded as an aesthetically pleasing ratio, and incorporated it into the design of monuments including the Great Pyramid,[1] theParthenon, the Colosseum. There are many examples of artists who have been inspired …

A microcontroller based scheme for LCR measurement is described. The unknown element (an inductor or a capacitor or a resistor) is measured employing a non conventional ac bridge. The element to be measured forms one arm (side) of the bridge and the second (series) arm is made up of a …

Vonnegut’s Slaughterhouse Five treats one of the most horrific massacres of World War II—the firebombing of Dresden. Dresden was completely wiped out by more than 3900 tons of high-explosive bombs and incendiary devices dropped by the thousands of heavy bombers. By detailing the devastating effect of the air bombing in …

I. Deals-R-Us Brokers (Part 1) Fred’s information systems department has presented him with two alternatives for developing the new tools. The first alternative will have a special tool developed in C++ that clients will download onto their computers to run. The tool will communicate with the DRUB server to select …

The invention of the printing press made it possible for scientists and politicians to communicate their ideas with ease, leading to the Age of Enlightenment; an example of technology as a cultural force. The use of the term technology has changed significantly over the last 200 years. Before the 20th …

When anyone plans on having a baby, one of the first things that comes to mind is the hope that the child will be born healthy. It is a perfectly reasonable desire, but what happens when the child is born with a neurological disorder? Neurological disorders in infants are a …

Paul Watson was born the 2nd of December/ 1950, now at days he is 62 years old. Captain Paul is a Canadian animal rights and environmental activist, who founded (1977) and is president of the Sea Shepherd Conservation Society, a direct action group devoted to marine conservation. Now at days …

The computers built in the 1950s and 1960s are considered the 2nd generation computers. These computers make use of the transistors invented by Bell Telephone laboratories and they had many of the same components as the modern-day computer. For instance, 2nd generation computers typically had a printer, some sort of …