MIT develops a sensor that can work underwater without a battery and send back data – TechCrunch

MIT researchers have created a new underwater sensor and communication system that doesn’t require batteries, and barely uses any power at all. This could help set up an underwater ‘internet of things’ according to MIT, which would allow for real-time sea temperature and marine life monitoring, without requiring regular equipment and power swaps to make…

The five technical challenges Cerebras overcame in building the first trillion transistor chip – TechCrunch

Superlatives abound at Cerebras, the until-today stealthy next-generation silicon chip company looking to make training a deep learning model as quick as buying toothpaste from Amazon. Launching after almost three years of quiet development, Cerebras introduced its new chip today — and it is a doozy. The “Wafer Scale Engine” is 1.2 trillion transistors (the…

TikTok’s new ‘Hashtag Challenge Plus’ lets video viewers shop for products in the app – TechCrunch

TikTok, the short-form video platform favored by young adults and teens, has launched a new feature that allows users to shop for products associated with a sponsored Hashtag Challenge, without leaving its app. These sponsored challenges are Gen Z-friendly marketing campaigns where users are prompted to post videos of them using a product — like…

YC-backed Lokal wants to bring local news, classifieds to 900 million Indians in their regional languages – TechCrunch

Each month millions of Indians are coming online for the first time, making India the last great growth market for internet companies worldwide. But winning them presents its own challenges. These users, most of whom live in small cities and villages in India, can’t speak English. Their interests and needs are different from those of…

Amazon customers say they received emails for other people’s orders – TechCrunch

Users have said they are receiving emails from Amazon containing invoices and order updates on other customers, TechCrunch has learned. Jake Williams, founder of cybersecurity firm Rendition Infosec, raised the alarm after he received an email from Amazon addressed to another customer with their name, postal address and their order details. Williams said he ordered…