Astronomers cannot directly weigh celestial objects like galaxies; indirect methods are necessary. Mass determination leverages the relationship between gravity and mass, utilizing orbital periods and ...

For most things, you can use a set of scales to weigh them. With a ship, things are slightly different. In this video we ...

Apple’s 3D Touch on the iPhone 6S and 6S Plus opens up a number of nifty use cases, including the ability to peek at emails without opening them, draw dynamic pictures with your finger, and weigh ...