Technology Top Stories from Associated Press (AP)

How very Harry Potter. Researchers say they've taken a step closer toward the invention of a full-body invisibility device that would allow the wearer to move about absent detection, much like the teen wizard did when he donned his magical cloak in the film.

A team of scientists in Switzerland has developed the world's smallest medical implant to monitor critical chemicals in the blood that can be sent to a smartphone via Bluetooth. Researchers at Ecole Polytechnique...

SEOUL (AP) , Investigators have yet to pinpoint the culprit behind a synchronized cyberattack in South Korea last week. But in Seoul, the focus remains fixed on North Korea, where South Korean security experts say Pyongyang has been training a team of computer-savvy "cyberwarriors" as cyberspace becomes a fertile battleground in the standoff between the two Koreas.

The Union of French Jewish Students (UEJF) is suing Twitter for nearly $50 million after it refused to turn over the names of people who had tweeted racist and anti-semitic remarks, as ruled by a French court. The case revolves around a hashtag , #unbonjuif ("a good Jew") , which became the third-most popular on the site in October, Ars Technica reports.

Welcome back to BracketRacket, the one-stop shop for all your NCAA tournament needs. Today, we say farewell to our first No. 1 seed and explain why Gonzaga's ouster was unusual compared to recent tournament history. We also check in with actor Josh Duhamel, browse Bo Ryan's Wikipedia page and get Coach K to compare Duke with the Yankees.

SEOUL, South Korea (AP) , Investigators have yet to pinpoint the culprit behind a synchronized cyberattack in South Korea last week. But in Seoul, the focus remains fixed on North Korea, where South Korean security experts say Pyongyang has been training a team of computer-savvy "cyber warriors" as cyberspace becomes a fertile battleground in the standoff between the two Koreas.

WASHINGTON (AP) , President Barack Obama used Washington's grandest stage , the State of the Union speech , to announce negotiations with Europe aimed at creating the world's largest free trade agreement. Just weeks later, there are signs that old agriculture disputes could be deal-killers.

RIYADH, Saudi Arabia (AP) , Saudi Arabia's top religious cleric has criticized the social media website Twitter, calling it "a council for jokesters" and a place for unjust, incorrect messages. Grand Mufti Sheik Abdul-Aziz Al-Sheik made his remarks late Friday during a speech to other Saudi clerics.

WASHINGTON (AP) , Social media sites were buzzing Friday night with reports of a brief but bright flash of light that streaked across the sky along the East Coast. Bill Cooke of NASA's Meteoroid Environmental Office said the flash appears to be "a single meteor event." He said it "looks to be a fireball that moved roughly toward the southeast, going on visual reports."

SAN JOSE, Calif. (AP) , A female developer was fired after tweeting about a group of men she said were making sexual comments at a computer programming conference, fueling an already vigorous debate about gender equality and culture in Silicon Valley.

NEW YORK (AP) , Ka-ching! The cash register may be on its final sale. Stores across the country are ditching the old-fashioned, clunky machines and having salespeople , and even shoppers themselves , ring up sales on smartphones and tablet computers.

NEW YORK (AP) , The agency in charge of Internet addresses says it's given preliminary approval for 27 new suffixes , all in Chinese, Arabic and other languages besides English. They are the first approved out of nearly 2,000 bids submitted last year. The Internet Corporation of Assigned Names and Numbers previously said it was reviewing the non-English bids first.

MOSCOW (AP) , Tom Cruise has become the first Hollywood star to set up a page on the popular Russian social network Vkontakte. The "Mission Impossible" actor's page appeared Friday, announced by a message on Twitter saying "See you there!" in Russian.

NEW YORK (AP) , Imagine a store without a cash register and no other accurate ways to quickly tally up daily sales. That was the case for all retail establishments before the 1880s. Most store owners were left in the dark about whether they were making a profit or loss , and many suffered since it was easy for sales clerks to steal from the cash drawer.

WASHINGTON (AP) , It isn't every day that more than half the Democrats in the Senate vote to repeal part of President Barack Obama's health care law. But that's what happened Thursday night when...