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Radium is a Radioactive material that produces Alpha only
We often use a Geiger counter to detect and count the decay of radioactive material.
That depends on the radioactive material. But whether you use it or not, the radioactive material will decay into other elements over the course of time. The time it takes for half of the material to decay into something else is called the "half-life". The more radioactive the substance is, the faster it decays. The half-life of a radioactive element can be measured from fractions of a second to billions of years.
Titanium is a super strong light weight material normally used in aircraft. it makes things more scratch/damage resistant and ina bomb would probally affect the explosion and cost to much to make. id be suprised if they use mroe than lead/steel mix (lead to contain radioactive material). odds are you are thinking uranium which is radioactive and used in nukes.
If you are a smart guy, you can make a nuclear bomb, or a nuclear reactor...
Pencil lead is actually graphite.
That was the best material they had.
yes
There are no radioactive materials in microwave ovens: they use microwaves to cook food and heat liquids.
Lead That's why they use Lead Shielding for radiation
The basic idea is to compare the abundance of a naturally occurring radioactive isotope within a material to the abundance of its decay products; it is known how fast the radioactive isotope decays.
Simple radiological device