Vint Cerf once wore a shirt that read "IP on Everything," a wry comment on the versatility of the Internet Protocol he helped invent, a protocol that underlies all Internet communication. Now a University of California Berkeley researcher has put Cerf's maxim to the test, running an IP network over a set of xylophones, played by human participants.

Google is seeking a new trial on copyright claims in Oracle's intellectual-property lawsuit against it over the Android mobile OS, according to a filing made late Tuesday in U.S. District Court for the Northern District of California.

Oracle has asked a judge to bar Google from using some testimony given by former Sun Microsystems CEO Jonathan Schwartz in the companies' intellectual-property suit over the Android mobile OS, saying it has "no legal and factual predicate."

Should Oracle prevail in its intellectual-property lawsuit against Google over alleged Java patent and copyright violations in the Android mobile OS, it shouldn't result in the "industrial meltdown" some observers fear, Java creator James Gosling said in a blog post late Tuesday.

Google developed its Android smartphone software without using Sun's intellectual property and its use of Java in Android was "legally correct," Google's executive chairman, Eric Schmidt, testified in court Tuesday.

What is Facebook's secret to keeping the world's largest user base content? Sticking to well-proven software design principles, one study has concluded.