Priced at $4,000, the first ever "laptop" weighed 9 pounds ... the Gavilan SC was more compact than rival IBM PC-compatible portable computers such as the 28 pounder (13 kg) Compaq Portable.
For many years, quantum computers have only been within the confines of the research lab. On Tuesday, though, IBM unveiled the IBM Q System One, billed as the first-ever quantum computer designed ...