Category: Radiation

Yes, the decay half-life of a radioactive material can be changed. Radioactive decay happens when an unstable atomic nucleus spontaneously changes to a lower-energy state and spits out a bit…

More than 185 people who were sentenced to death in the United States have been exonerated and released since 1973, with official misconduct and perjury/false accusation the leading causes of…

If you generate two light pulses in opposite directions in a vacuum, after one second they will be 599,584,916 meters apart. So from your viewpoint, they are separating at twice…

Since the X-ray staff are exposed to radiation all day, every day, it is better for them to continue to wear shielding to help protect them from the external radiation.…

Walk-Through Metal Detectors are Safe and Effective Therefore, even repeated exposure to metal detectors has no associated radiation risk.” With this in mind, airport metal detectors provide a very effective…

A capsule (from Latin capsula, "small box or chest"), or stadium of revolution, is a basic three-dimensional geometric shape consisting of a cylinder with hemispherical ends. Why are pills shaped…

The only way to completely eliminate nuclear risks is to eliminate nuclear weapons from the planet. The only way to completely eliminate nuclear risks is to eliminate nuclear weapons from…

With the gamma-rays beamed directly at Earth, the radiation would destroy a significant portion of our atmosphere, specifically the ozone layer. The photons streaming from the burst would cause chemical…

The size of the alpha particle, the nucleus of the helium atom, has been measured more accurately than ever before. Results now indicate a size 1.67824(83) femtometers, which is 4.8…

It is not considered rude to use a fork instead of chopsticks in Japan. Restaurants that get a lot of tourists are used to accommodating for that. In fact, if…