A weird thing that detects your pulse from the browser video

https://pulsefeedback.io/

#HackerNews #weirdtechnology #pulsefeedback #browserinnovation #healthtech

#TuesdayColumn: That moment when the Chinese Navy wants to use #supercavitation to travel across the Pacific Ocean at nearly 6000 km/h... in a submarine. #supercavitatingsubmarine #supersonicsubmarine #militarytechnology #technology #weirdtechnology #writing

A Supersonic Submarine walks into San FRancisco Bay...
https://wastedwordsweb.wordpress.com/2024/05/28/a-supersonic-submarine-walks-into-san-francisco-bay/