"It's also an opportunity for us, maybe, to get our suits up there before the astronauts actually have to wear them on the surface of the Moon ... this is all going to help take down risk for a subsequent landing."
Фото: Алексей Майшев / РИА Новости
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There are two main types of smoke alarm tech, says Raman Chagger, principal consultant at BRE, the Building Research Establishment. Ionisation-based systems use a tiny amount of radioactive material to charge, or ionise, particles in the air which flow between two small plates. Should smoke interrupt that flow of charged particles, the alarm goes off.