Disruption of circadian rhythms can come at a high cost for the Navy.
The uncrewed submarine is nearly 30 feet long and weighs almost 10 tons.
The stealthy SMX31E would be powered by lithium-ion batteries, like a Tesla.
It can cruise as deep at 1,640 feet beneath the surface, or as shallow as 50.
Five Deeps mission completes record-setting dives to the bottom of five oceans.
Adventurer Victor Vescovo hopes to change the landscape of exploration with his deep-sea submersible.
It's called the Suffren.
To reach the bottom of all five oceans, this Texas businessman commissioned “the most significant vehicle since Apollo 11.”
Long cast as the enemy, sharks are really losing this war, as men arm themselves with shark guns, shark repellent and fish the bejeezus out of these misunderstood monsters
New devices from Amazon, a rolling robot, and our shameful musical history.
Like science, tech, and DIY projects?
Sign up to receive Popular Science's emails and get the highlights.