The Download: a quantum radar, and chipmakers’ deal with the US government
1 min read
Summary
Physicists have created a new type of radar which can improve underground imaging using a cloud of atoms in a glass cell to detect reflected radio waves.
The radar is a type of quantum sensor which uses the quantum-mechanical properties of objects as measurement devices.
Its intended use is to image buried objects when constructing underground utilities, drilling wells for natural gas, and excavating archaeological sites.
Nvidia and AMD have been asked to pay the US 15% of all China AI chip sales, which could amount to billions of dollars for the US government.
OpenAI is restoring GPT-4 to ChatGPT after complaints that GPT-5 made basic errors.
The US Bureau of Labor Statistics is in turmoil after the US government has decided to stop collecting key economic data.
Spain has so much solar power it is pushing its electricity grid to its limits.
Truth Social’s new chatbot keeps disagreeing with Donald Trump, particularly on the 2020 election and tariffs.
Tesla has applied for a license to supply power to British homes, which could rival the UK’s energy firms as soon as next year.