All of these are gases and yet have much higher molecular weights than water does. However, none of these can hydrogen bond, and that is why they are gases, whereas water is a liquid. Of course, at high temperatures water is a gas (steam) and at low temperatures water is a solid (ice). See the Web Links for more information about intermolecular forces. Why is water at room temperature a liquid?
Doubleday). The Man Who Invented the Computer is a 2010 historical biography by author Jane Smiley about American physicist John Vincent Atanasoff and the invention of the computer.The book follows Atanasoff as he collaborates with others to develop the Atanasoff-Berry Computer (ABC), the first electronic digital computing device.oubleday). The Man Who Invented the Computer is a 2010 historical biography by author Jane Smiley about American physicist John Vincent Atanasoff and the invention of the computer.
The first computer mouse. The first computer mouse was invented in 1963 by Douglas Engelbart at the Stanford Research Institute. (He is also one of the inventors of hypertext.) The first mouse used two wheels positioned at a 90-degree angle to each other to keep track of the movement (see picture below).he IBM Personal Computer was introduced in 1981 as the IBM 5150. The platform became so pervasive in the 80s that although the term âpersonal computerâ had been in use since the early 70s, a PC became synonymous with an IBM PC-compatible computer.