Built by a team of engineering undergraduates from Singapore, the robotic vessel dubbed Coconut Pi uses both the Raspberry Pi and Arduino.
Juliet Marine's Ghost stealth boat produces a gas layer around its hull to move it through water with 900 times less friction.
Google has taken refuge among the coral and seaweed and introduced the first underwater panorama to Street View.
The rugged Samsung Galaxy Xcover 2 is basically the Samsung Galaxy S3 Mini in a waterproof case.
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The Olympus TG-2 and the Fujifilm FinePix XP200 are both waterproof and shockproof. But only one of these tough cameras comes out ahead under extreme conditions.
Molly Wood and Jeff Cannata test out three underwater cases for the iPhone, comparing features, durability, and price.
Researchers are developing a "deep-sea computing network" that could bring Wi-Fi access underwater to better detect tsunamis, collect data, and monitor offshore activity.
Join us in Hawaii as we compare underwater iPhone cases ranging from a veritable Zip-loc bag to a tricked-out dive housing. Two new rugged cameras get a dolphin-swim road test, and the Kindle Paperwhite has a bad day at the beach.
Crabster CR200, designed to overcome mobility challenges in rough water, is also a frighteningly awesome-looking robot.
In the final installment of Crave's series on ultra-luxurious gear for geeks, we tour the far-out side of nerd chic.