DESPACITO
Music streaming giant Spotify went public on the New York Stock Exchange on Tuesday. Set aside for a moment the long-term bearish case that a 12-year-old company that has never turned a profit and lost $461 million last year will ever make significant money. Those still interested in getting a piece of the action may want to at least tread slowly. Spotify conducted its IPO as a direct listing, saving itself millions of dollars in fees to investment bankers typically hired to set and stabilize the stock price. But its listing also allows employees and early investors to sell their shares right away. That could keep the stock price gyrating for some time.
TOOTH TELLER
Doctors are always after more data to better tailor our care and diagnose problems quicker and more accurately. A team at Tufts University engineering school has developed a novel way to gather data continuously: the tooth sensor _ a 2-millimeter square patch that sticks to your front tooth and can transmit information to a smartphone on things such as glucose, salt and alcohol intake.
AND YOU CAN'T GET YOUR INKJET TO WORK
A Dutch startup is about to unveil the world's first complete 3-D-printed steel bridge, and it looks like something that broke off an alien spaceship. Thousands of people will be able to walk on the span when it's installed over a canal later this year in Amsterdam's De Wallen red light district. The startup, MX3D, invented a pair of robots that print out steel layers, bit by bit, to create the bridge in mid-air.
