Quantenna raises astounding $79M round so you can have wire-like wireless networks

Based on conventional wisdom, Quantenna shouldn’t exist as a startup maker of Wi-fi chips. It has huge competitors among chipmakers Broadcom, Marvell, and Qualcomm-Atheros. But Quantenna is announcing a gargantuan $79 million funding round today because it has figured out how to do Wi-Fi chips that are faster and have greater range than its rivals.

Hands-on with the One Laptop per Child XO 3.0 tablet (video)

Of the major products unveiled at the Consumer Electronics Show this week, one of the most promising was the new  education tablet from One Laptop per Child. The nonprofit group, which has teamed up on the tablet design with Marvell, showed off its OLPC XO 3.0 tablet and said it was ready to start negotiations with governments or other bodies to purchase large numbers of the devices.