Physical Science

Charles law states that if the volume of a gas is kept constant, the pressure of the gas is directly proportional to the temperature. Which suggests that in an ideal situation where the volume does not change, if either the…
Read more

The process of gaseous exchange is deemed vital for a living human being. As the name suggests, a gaseous exchange occurs when there is a transfer of two different gases from one area to another. The best example that can…
Read more

Boyle’s law states that if the temperature of a gas is kept constant, the pressure if the gas is inversely proportional to the volume. Which suggests that in an ideal situation where the temperature does not change, if either the…
Read more

Can life exist outside Earth?  The dwarf planet Ceres, scheduled to be visited by NASA’s Dawn Mission in early 2015, may provide clues to help scientists and astronomers piece together information about this possibility, which looms large in the minds…
Read more

The word “electrum” has invaded modern language. We see it pop up in such diverse places as the Star Wars universe, numerous fantasy games, and occasionally in a scientific context. Given the awareness of the word it might be surprising…
Read more

A chemical reaction is an event involving electrochemical interaction between elements which result in the formation of ionic, covalent or hydrogen bonds. In some cases the reaction results in a release of heat energy while in others the absorption of…
Read more

Movie history buffs can look over the history of cinema and see trends in the type of movies made during time periods. When it comes to the present day, there seems to be a trend towards offering up anything to…
Read more

Back in the 1970s, androgynous crooner David Bowie invited us all to wonder “Is there life on Mars?” Well, the Curiosity Rover hasn’t found any yet despite evidence of water, but if one Dutch group has their way, there could…
Read more

To understand the dangers of dry ice, one must understand what it is. Dry ice is frozen carbon dioxide. It is extremely cold (-109.3°F or -78.5°C). Remember that water freezes at 32°F or 0°C. Dry ice does not “melt” at…
Read more

Many of us think dry ice is harmless and it is, if used properly. Dry ice has many useful purposes other than cooling food and Halloween effects. Dry ice can be used for putting out fires, repair, farming, industrial, and…
Read more