Bob Croft, free diver who pioneered ‘lung-packing’ to test the human body’s underwater limits

Robert Croft, who has died aged 91, was a US Navy diving instructor whose record-breaking feats of deep diving in the 1960s ...
IEEE

A calculation method for line-of-sight stable attitude of networked optical transceiver based on depth feedforward neural network

Abstract: Networking is the future development direction of space laser communication. According to the structural characteristics of optical transceiver in laser communication network, a numerical ...
CyclingnewsOpinion

The UCI's wheel depth rule is pointless, and our testing data shows why

How do wheel depth, spoke count, and spoke material affect speed? We're back in the wind tunnel to find out When you purchase ...