Posts by Dr. Allen F. Bortrum

More on ammonia, from Haber to McVeigh

Fritz Haber\'s ammonia process affects the course of history

What does it take to get to Mars?

Importance of center of gravity in the air and on the road

Molten lava in Hawaii, as it moves closer to Japan

The road to smallness

Magnetic fields and lasers

Laser cooling down to nearly Absolute Zero

The quest to achieve and measure the lowest possible temperature

Thalidomide and Frances Kelsey - both are still around