But if you're building a static radiation shield on the moon itself, just pile up the moonrock as is.
12.
Lead is used in building construction, shot, weights, as part of solders, pewters, fusible alloys, and as a radiation shield.
13.
Both lead and bismuth are also an excellent radiation shield, blocking gamma radiation while simultaneously being virtually transparent to neutrons.
14.
The automated defence systems of the ship activate, the anti-radiation shields surround the ship and finally the weapon systems are armed.
15.
Older helium cryostats used a liquid nitrogen vessel as this radiation shield and had the liquid helium in an inner, third, vessel.
16.
To protect life, settlements must be surrounded by sufficient mass to absorb most incoming radiation, unless magnetic or plasma radiation shields were developed.
17.
For example : homeopathy, psychs, astrologers, but also less mystic alternatives : ultrasound insect repellents, hair growth products, cell phone radiation shields, bio-whatever.
18.
It consisted of a block, long on each side, of nuclear graphite cubes, weighing around, surrounded by of high-density concrete as a radiation shield.
19.
However, this type of radiation is significantly attenuated by the Earth's atmosphere, which is a radiation shield equivalent to about 10 meters of water.
20.
Lead is used in building construction, lead acid batteries, bullets and shot, weights, as part of solders, pewters, fusible alloys, and as a radiation shield.
