Category: Radiation

Kindles and Nooks that lack a built-in light cannot adjust the screen, but because the device's e-ink displays have lower contrast, these e-readers are less disruptive to sleep. However, Kindle…

The Martian surface is constantly exposed to a high dose of cosmic radiation consisting of highly energetic particles and multiple types of ionizing radiation. The dose can increase temporarily by…

A device called a dosimeter can measure the absorbed dose of radiation but only if it was exposed to the same radiation event as the affected person. Survey meter. A…

It's highly unlikely old water will make you ill However, even smelly bottles are likely just encrusted with saliva, mouth bacteria, or even some mildew or mold, and there's likely…

The smallest city by area is Mechanicville, which covers 0.91 square miles (2.4 km2) (of which 0.08 square miles (0.2 km2) is water). What is the smallest city in upstate…

A railgun has a higher velocity, and could potentially have a higher rate of fire than coilguns,is less tecnologically complex, and can even be used as a mele weapon if…

Neutrons produced by fission have high energies and move extremely quickly. These so-called fast neutrons do not cause fission as efficiently as slower-moving ones so they are slowed down in…

Is radiation from phones harmful? Cell phones emit low levels of radio frequency energy, a type of non-ionizing radiation. The available scientific data on exposure to radio frequency energy show…

Radioactive material can be transported by truck, train, plane or ship. There are special regulations that help keep drivers, the public, and the environment safe. The packaging used to transport…

Steel tends to wear faster and more easily than iron. On the other hand, iron doors stand up to wear far more readily than steel, thanks to its higher content…