Astra turns a MacBook into a sonar controller after a few prompts
Emanuel Perez's app uses a 20 kHz tone, the laptop microphone and Doppler shifts to translate hand movements into scrolling.
By Ryan Merket · Published
Primary source: X
Why it matters
Perez's demo shows frontier coding models shrinking the distance between published research and working software, even when the underlying invention is 14 years old.
Emanuel Perez (@emanperez28) used OpenAI's GPT-6 Astra to build a Mac app that turns a laptop's existing speakers and microphone into a contactless scrolling controller, according to a demonstration Perez posted on X on September 9th.
When you purchase through links in our articles, we may earn a small commission. This doesn’t affect our editorial independence.