Reservoir raises $8M to make water heaters that people — and the grid — will actually want

Reservoir has built an ultra-efficient water heater that can predict hot water demand, store energy, and detect plumbing leaks throughout a home.

AI code-testing startup Blacksmith’s valuation jumps almost 10x in less than a year

Blacksmith says revenue has grown more than tenfold over the past year.

FBI says cybercriminals are hacking into victims’ online accounts to steal their intimate pictures

In a new alert, the FBI said cybercriminals are targeting adults and minors in an attempt to steal their personal and intimate pictures in extortion campaigns.

OpenAI launches ChatGPT desktop app for Linux

OpenAI is finally bringing a dedicated ChatGPT desktop app to Linux operating systems.

Google’s Gemini app surges to 1 billion users

Google also shared numbers of how people are actually using the chatbot, with 63% of Gemini users talking directly to the assistant using the voice feature. Plus, Gemini now generates more than 150 million images every day, according to Google. 

Brad Lightcap, OpenAI’s longtime COO, is leaving to ‘start something new’

One of OpenAI’s longest-serving executives is headed out the door, although the longtime COO told staff that he was “excited to help you all advance the mission from a different vantage point.”

General Catalyst leads $1.1B round into 2-month-old River AI

River AI, a startup founded by xAI co-founder Igor Babuschkin, has a fascinating vision for personal agents and secured $1.1 billion out of the gate.

Delta investigating after someone set up fake Wi-Fi network mid-flight

The Delta flight crew switched off the aircraft’s legitimate Wi-Fi network for around 30 minutes due to the incident, according to a spokesperson.

Kyoto Fusioneering starts work on key fusion power plant device

Fusion power startups are turning to Kyoto Fusioneering to supply components for future power plants. The Japan-based startup just received a grant to build a part of the fuel system.

North Korean remote IT staffer worked for US government agency, says FBI

The investigation shows that North Koreans are able to infiltrate government agencies, as well as private organizations and crypto exchanges.