Radioactivity gradually falls in all radioactive materials, how quickly it falls depends on the half-life of the material. The radioactivity of a material with a short half-life will fall alot quicker than the radioactivity of a material with a long half-life.
Manufacturing technology uses an astronomical amount of energy that mostly is wasted. We also get some of the radiation from the technology, so you can't stay around it for a really long time. But it has to be a really long time for something bad to happen.
Around a week
Around 24 hours.
You can stay on for as long as you like but if you don't keep moving your character around and leave your character there for a while then it will disconnect you.
No. Because of its lack of camouflage and protection from ultraviolet radiation an albino alligator will not live long in the wild.
around three days
around a year
around 9 months
for people undergoing chemo it is just alright to be near that person. however there is a certain type of radiation therapy wherein you need to keep your distance with that person. such form is called internal radiation therapy wherein the cancer patient will receive implantable radiation source. the best way for you to protect your pregnancy from chemo and radiation is to stay away from them. avoid handling chemo drugs and stay away from any radiation source.
Around 7-8 days.
Around 3 months.
The patient must stay still during the administration of the radiation so that no other parts of the body are affected