According to El Pais, the S-81 Isaac Peral -- the first of four state-of-the-art new submarines commissioned for the Spanish Navy -- is 75 to 100 tons overweight.

Among the S-80's celebrated advancement is a diesel-electric propulsion engine that, ironically, promises to be 20% lighter than comparable systems while delivering 50% more power.

If Spain hopes to salvage its submarines, it must either find some weight that can be trimmed from the current design or lengthen the ship to accomodate the excess weight, The Local notes.

The humble cassette tape, a happy memory for many music fans of a certain age, has staged a comeback for one Canadian company.

"Digital will always be ones and zeros," says Fernando Baldeon, a sales consultant at Analogue. "Analogue is still the best sound from a recording."

Mr Proulx says he is part of an international community of local music producers and do-it-yourself fans who are all turning to cassettes to spread their music.

A new Reason-Rupe poll finds that an otherwise gun control-weary American public thinks owners of 3D printers ought not be allowed to make their own guns or gun parts.

Supporters of restrictions, such as Slate's Farhad Manjoo, have pointed to the technology that limits DVD players to DVDs from a specified region, or the technology that's supposed to prevent photocopiers, printers and graphics software from replicating U.S. currency, as examples to follow for 3D printers.

Their system uses detectors which have a single pixel to sense light instead of the millions of pixels used in the imaging sensors of digital cameras.

"However, digital camera sensors have a very limited sensitivity beyond the spectrum of visible light, whereas a single-pixel detector can easily be made to capture information far beyond the visible, reaching wavelengths from X-ray to TeraHertz."

Californian senator Leland Yee said he wanted a law passed to stop the manufacture of 3D-printed guns.

"I plan to introduce legislation that will ensure public safety and stop the manufacturing of guns that are invisible to metal detectors and that can be easily made without a background check," he said in a statement.

One of the biggest headaches for law enforcers is the fact the gun is made from plastic - with only the firing pin made from metal.

The batteries are similar to those used on Boeing's 787 Dreamliner aircraft, all 50 of which have been taken out of commercial service worldwide since January following battery fires on two planes.

Boeing says overheating in one cell vented heat to neighbouring cells and caused them to overheat also, an effect known as thermal runaway. One battery caught fire in a jet on the ground at Boston Logan airport in the US while another melted down in flight, causing an emergency landing and evacuation in Japan.

The U.S. Computer Emergency Readiness Team reports that a U.S.-based power generating facility was shut down after a contract employee introduced malware into the turbine control systems and into engineering workstations. The contractor routinely used his USB drive to perform updates on control systems as well as workstations in the power plant.

The Monitor report described the incident, saying that when the USB memory drive began to exhibit performance issues, the contractor asked the facility IT staff to check it. The check revealed two different types of malware; one type was designed to perform identity theft, and the other a type of sophisticated type of malware that ICS-CERT did not identify.

They don’t want to same device as their mom, dentist, and coffee barista. They want the latest, greatest phone that speaks to their generation.

Also working against Apple’s iPhone is the popular parent tradition to give their teens the old model when they upgrade their devices. Samsung and Android devices are less expensive, which makes it more likely that parents are willing to buy a new one for the teens, versus handing them a new iPhone.

For months, dozens of people could not use their keyless entry systems to unlock or start their cars whenever they parked near the Hollywood Police Department. Once the cars were towed to the dealers, the problem miraculously disappeared.

Turns out the problem wasn't with the cars, the batteries or even user error, but an illegal pirate radio station that was jamming the signal from keyless entry systems of several makes of cars.

The station was broadcasting Caribbean music around the clock through 104.7 FM, police say.

Most drivers were forced to read their owner's manual to learn how to access their manual key, Camara said.

In its base $1,299 configuration, the 21.5-inch iMac comes with no SSD and no build-to-order storage add-ons; even the $1,499 model only has the option to add a 128GB SSD as part of Fusion Drive, which marries the SSD to the system's 1TB spinning hard disk drive to create a single volume. No SSD-only option exists, nor is there a way to add a standalone SSD.

A scouring of the logic board reveals no spare SATA ports anywhere. The SATA connector used for the iMac's 2.5-inch hard disk drive appears to be the only one present inside the computer.