
The SciencesMay 1, 1995
Did Bohr Share Nuclear Secrets?
Niels Bohr met with a Soviet agent in late 1945. Although some have accused Bohr of divulging nuclear secrets, a recently disclosed memo offers evidence to the contrary

Did Bohr Share Nuclear Secrets?
Niels Bohr met with a Soviet agent in late 1945. Although some have accused Bohr of divulging nuclear secrets, a recently disclosed memo offers evidence to the contrary

Collisionless Shock Waves
To many theorists' surprise, shock waves form even in the rarefied material between the planets. These shocks sculpt the space environment and lie at the heart of a variety of astrophysical phenomena