A Florida-based startup dubbed SeaAway (no relation to Segway, truth be told) is looking to make our ports a good bit safer in the future by implementing an offshore screening process that could detect "chemical, biological, and nuclear traces as ships travel through." The aptly-dubbed Sea Sentinels would be anchored to the seafloor some 14-miles from a port, and will even house up to 15 humans and an array of unmanned aerial vehicles for extreme situations. The platforms would utilize RFID readers to detect what types of cargo passed through its screen, and if sensors flag a suspicious container, the Coast Guard is called into action. Unfortunately, the $100 million it costs to erect each system would have to be subsidized by a passage fee of $20 per container, but tax breaks for shippers are currently be pondered. Nevertheless, a prototype system will see construction later this summer, and if all goes well, finalized versions could be patrolling our seas in the not too distant future.

In an interesting turn of events, it seems like the winner of Volvo's lucrative treasure hunt won't be unearthing the $50,000 treasure anytime soon, as the automaker's hunt partner (Odyssey Marine Exploration) has happened upon an actual $500 million treasure instead. The reported fortune is located somewhere in the Atlantic Ocean -- in a secretive area known only as Black Swan -- but reports are claiming that a court in the Spanish coastal town of La Linea has "issued an order for the Spanish Guardia Civil to detain any Odyssey vessel should it leave the port of Gibraltar," which has brought about an abrupt halt to Volvo's retrieval plans. Thankfully, it sounds like the Russian winner will still be awarded the dough and a new XC70 to boot, but there's no telling how long it'll be before Odyssey is able to put aside its bigger worries and dig up the (comparatively) paltry $50k.

[Via CarTechMag]

After the recent streak of robotic failures that we've seen, it's refreshing to see yet another success story come our way. Just as it did in February, the two-meter wide DepthX (Deep Phreatic Thermal Explorer) robotic submarine successfully mapped out a massive sinkhole in Mexico, but this time was quite a bit more rewarding. The cavern that it ventured into was the El Zacatón Cenote, which is better known as the world's deepest water-filled sinkhole, and the machine was able to delve some 270-meters down to "create the first map of the giant cavity." The hole itself is large enough to "swallow New York's Chrysler Building," and while the endeavor was indeed a success, researchers are hoping to get it back down there in the near future to better analyze a mysterious slope that it wasn't quite able to probe. Godspeed, DepthX.

[Via Slashdot]