Several feet of concrete or a few inches of lead
Lead is a good material against gamma rays.
No
Lead (being a very dense metal) is generally the material used to guard against gamma rays--radiologists, who take your x-rays, stand behind a lead based shield, since they are exposed to small doses day after day (there is no danger to you). CBRNE: C
several feet of concrete or a few inches of lead.
Lead, solid rock, or a great depth of sea water. Ideally a barrier of concrete and lead is used for shielding from gamma sources.
electromagnetic
Several feet of concrete or a few inches of lead
Concrete, lead
Miles of lead and concrete would be ultimate protection against gamma rays.
A few inches of lead
A very thick piece of metallic Lead(Pb)
No
Keep fresh air flowing through the boat.
Lead (being a very dense metal) is generally the material used to guard against gamma rays--radiologists, who take your x-rays, stand behind a lead based shield, since they are exposed to small doses day after day (there is no danger to you). CBRNE: C
Several feet of concrete
A good thickness of lead.
several feet of concrete or a few inches of lead.
Lead, solid rock, or a great depth of sea water. Ideally a barrier of concrete and lead is used for shielding from gamma sources.