It is stretched until it is extended by 50 cm. Calculate the elastic potential energy stored by the spring, assuming it is not stretched beyond the limit of proportionality.

In the social media age, there is little doubt about who is the star of the animal kingdom. Cats rule the screens just as ...

Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Katrina Ávila Munichiello is an experienced editor, writer, fact-checker ...

These are wasted energy because they don’t help dry your hair. An elastic band that has been stretched tight has the potential to snap back to its relaxed position. A skateboarder at the top of ...

Russia’s gas giant Gazprom PJSC exported 23.7 billion cubic metres of natural gas to China in the first nine months of the year, or almost 40 per cent above volumes exported the same period a year ago ...

To harness energy from the brightest star in our skies ... This is likely due to the use of Ti in the setup. The theoretical ...

If you've enjoyed watching Kaitlin Olson's supersmart single mom and Daniel Sunjata's seasoned detective solve crimes on High Potential, you may find yourself occupied with another mystery ...

Energy bills are high at the moment, but choosing efficient appliances can help keep costs to a minimum. Our washing machine reviews reveal the best and worst we've tested and how much each one costs ...

A cheap tumble dryer may look like a bargain, but with annual running costs varying from as little as £30 to more than £164 a year, that 'great deal' could turn into an energy bill nightmare. Which?

Robert Kelly is managing director of XTS Energy LLC, and has more than three ... Real GDP can also be measured as a dollar or a percentage by calculating changes in real GDP from one period ...