Gerard J. Holzmann


MEMS the Word

MEMS, which is short for micro-electro-mechanical systems, may be almost too small to see, but they could play a big role in the future.  Read story

MEMS the Word

MEMS, which is short for micro-electro-mechanical systems, may be almost too small to see, but they could play a big role in the future.  Read story

And the Credit Goes to?

It's not the inventor toiling in his lab who becomes famous. It's the one who makes the biggest splash.  Read story

Tallying Up

A look at the medieval precursor to the credit card.  Read story

Taking Stock

Nowadays, fraudulent online stock-trading schemes are common. But even before the first electric telegraph, two bankers committed the equivalent of modern-da...  Read story

Castles in the Air

Today's firewall software is comparable to the security systems of ancient castles--it assesses the characteristics of an individual, and then grants or deni...  Read story

Just the Fax

Believe it or not, today's fax machine isn't a new technology. The first faxes traveled electronically over telegraph wires more than a century ago.  Read story

Ports of Call

Serial and parallel ports, the holes that transmit data from inside a PC to the outside world, were invented in the nineteenth century. Morse's patented tele...  Read story

Tales from the Encrypt

Safeguarding computer information from unprivileged eyes isn't a new concept. Encryption devices were invented by the Ancient Greeks and Thomas Jefferson.  Read story

Collision Course

A primer on how train wrecks of the past paved the way for safe data transfer today.  Read story

The Ties That Bound

This story looks at the long history of long distance networking, a concept that predates the Greeks.  Read story