Disasters of a Deadly Nature covers more than 20 of the most extreme natural and manmade disasters in recorded history with details much deeper than news stories would dare tread. It is filled with information on the deadliest disasters known to man.

Take a Virtual Tour of Mars-3D. 4GB on DVD... Better than books on Mars. Covers 3 years of the MER Spirit Mission. VRPresents hobby software for people interested in astronomy, cosmos, planets, solar system, space flights, stars. Similar to 3D games.

DHex is a software tool that is made to demonstrate the chemical design calculations of Double pipe (hairpin) Heat Exchangers.The software will do all the thermal calculations involved in the design and will generate a summary of all results..etc