Quantum mechanics and banking combine for a new take on an old thought experiment. Continue reading →

What does a 21st century electronic currency have to do with tulips in 1630s Holland? Here's a primer. ->

New smartphone app would create and ad-hoc cash-dispensing network that allows users to exchange cash. ->

Two antennas flat and thin enough to hang on a wall can also trim your TV budget. ->

No other month has quite the impact on your checking ledger as December. Since you're spending so much money buying gifts for everyone, why not make an easy couple bucks? Gigwalk pays users to snap photos of street signs, restaurant menus and store interiors with their smartphones. Its customers, w...

The scope of Google Offers has expanded. After starting off beta in Portland last month, the daily deals website (yes, yet another one) arrived in San Francisco and New York City on Tuesday. Google Offers was introduced at the end of May along with Google Wallet, which will store credit-card inform...

When it comes to survival, people in dire situations will come up with resourceful ways to stay alive. In the case of a 66-year-old stranded snowshoer, that meant keeping warm by burning the money in his wallet. Yong Chun Kim had been missing on Mount Rainier in Washington for two nights in freezin...