They were
very dangerous experiments because the masses of fissile material that they assembled was very close to critical.
Not exact matches
It's
very rare for a long - term home educated child to
experiment seriously with
dangerous behaviour, or to worry about whether or not he can be accepted by his peers.
The
dangerous experiment is successful, but their «real world» experience begins to change, as the images they've seen from beyond now come back to haunt them in a
very real way.