A Ghost for a Clue

What if science proved the existence of life after death--and did something about it?

A mathematician. A robotics engineer. An aspiring astronaut. Bram Morrison is all of these. What he can't imagine he'll ever be is someone trying to figure out the physics of a ghost. That is, until a workmate dies.

Bram's botanist friend, Torula, claims that her lab equipment has gathered data proving her greenhouse is haunted. She suspects it has something to do with his recently deceased friend. Now, she ...