There came a time when high-speed electronic circuits reached speeds that required engineers to analyze the design for signal ...

As four astronauts whiz toward a flyby of the moon, looking out for them are mission control experts using cutting-edge technology and lessons learned from the Apollo program 50 years ago.

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...

In the penultimate episode of "The Big Bang Theory," Sheldon and Amy win the Nobel Prize. While their accomplishment should ...

By Murray Grimwood* Simeon Brown, our new Minister for Energy, has an impossible task ahead of him; on a par with King Canute ...

How do you create an inquisitive mind? Simply accumulating knowledge isn't good enough, suggest Lei Bao and colleagues (Am. J. Phys. 77, 1118–1123; 2009). Specifically, the teaching and learning of ...

Matter is made up of small particles called atoms. Atoms can exist on their own or together as molecules. Atoms are very small and around 100,000,000 of them end to end would measure 1 centimetre.

A direct current flows in only one direction. On a voltage-time graph this would appear as a straight horizontal line at a constant voltage. Car batteries, dry cells and solar cells all provide a ...

Students have endless questions about money, especially as the way we use money on a daily basis continues to change. With this free resource hub from Investopedia, you can break down the jargon and ...