Documents show that OpenAI signed a letter of intent to spend $51 million on brain-inspired chips developed by startup Rain. OpenAI CEO Sam Altman previously made a personal investment in Rain.

Now, the AI-powered products that were supposed to get a Gemini boost, such as the Bard chatbot, will have to wait until next year.
Justin Sullivan/Getty Images.
Google’s multimodal AI competitor.
Now you can sit back and relax in your easy chair as your garden is weeded.
Ekobot.
As anyone who has tended to a garden knows, weeding is time-consuming and energy-draining. Scale it up to a farm, and it becomes a logistical nightmare. Traditional herbicides, though efficient, pose potential threats to people, animals, and the environment.
Receiving the FAA’s Airworthiness Certification is not just a milestone for our company, but a leap forward for the entire field of personal air mobility.
Doroni Aerospace.
This achievement propels Doroni Aerospace into a leadership position in personal air transportation, marking a significant leap forward for electric flying cars. The H1 had performed its first piloted flight earlier this year.
With a hydrogen production rate of 139 millimoles per hour and per gram of catalyst, the material holds the world record for green hydrogen production with sunlight.
Scharfsinn86/iStock.
Professor Emiliano Cortés, a leading figure in experimental physics and energy conversion at LMU, and Dr. Matías Herrán, a postdoc researcher at the Fritz Haber Institute of the Max Planck Society, delved into the intricate world of nanotechnology to develop high-performance nanostructures that could revolutionize solar energy utilization.