The same advantages the Internet and advanced technology bring to the general public and to business -- speed, security and global linkage -- are helping international terrorist groups organize their deadly and disruptive activities

Supercomputing speeds continue to rise, with yesterday's fastest machines buried by today's speed kings, but when will supercomputers reach their limits? Most experts agree that current barriers to supercomputing speeds -- which are approaching hundreds of teraflops -- will fall. A teraflop equals 1 trillion floating point operations per second.

Researchers are applying the principles of green chemistry ? using fewer or alternative materials for more efficient, eco-friendly results ? and the advantages of nanotechnology and microsystems to "do things green from the get go."