Articles about noise

Sound-mufflers chuck acoustic sleep blanket at the noise-plagued

Ever wondered why the Bose-style noise-cancelling technology can’t be made to work for rooms? Actually it can, but getting it to muffle sudden noises such as dogs barking or gunshots, so your sleep isn’t broken, and doing so at consumer prices represents a whole new set of challenges. A new Kickstarter project from sound- …
The Register breaking news

Noisy whales made FAR MORE oceanic racket than humans do

Interesting news today on the whale/ocean-noise beat, as boffins have calculated that back when the oceans were full of whales they were hugely noisier than they are today. Rising levels of human-caused noise in the oceans, which have long been theorised to be a source of distress for cetaceans, are very quiet by comparison to …
Lewis Page, 24 Oct 2012
Cat 5 cable

iPhone 4 incapable of handling Siri, says chip chap

Siri won't run on iPhone 4 because the phone's chip can't handle it, an analyst at the Linley Group has said. The news is a blow to iPhone 4-ers hoping for an upgrade to the voice-activated virtual assistant and is also a surprise to anyone familiar with the I-hacked-my-iPhone-4-to-run-Siri stories. Linley Gwennap of the …
Anna Leach, 6 Feb 2012
The Register breaking news

Council of Europe condemns teen-bothering Mosquito

The Council of Europe has voted to 'ban' the Mosquito anti-youth device, despite having no power to enforce the ban, as the device's manufacture is keen to point out. The Mosquito is a small device that makes a buzzing sound below the hearing threshold of (almost) everyone over 20, thus dispersing groups of yoofs who might …
Bill Ray, 25 Jun 2010
The Register breaking news

New green and quiet jet-engine test results announced

Paris Airshow US jet-engine colossus Pratt & Whitney have announced the test-programme results of their (ahem) revolutionary new PurePower™ Geared Turbofan (GTF) at the Paris Airshow. Unsurprisingly, P&W consider that the GTF will become the new standard in commercial jet engines, significantly greening the aviation industry. The PW1000G …
Lewis Page, 18 Jun 2009
The Register breaking news

NASA working on 'open rotor' green (but loud) jets

NASA and General Electric have teamed up with French industry to revive a type of fuel-efficient aircraft engine shelved in the 1980s, in an effort to tackle aviation carbon emissions and high fuel costs. The "open rotor" engines, despite their relatively green characteristics, will still be unpopular with many anti-aviation …
Lewis Page, 12 Jun 2009
The Register breaking news

Screeching rails close London Tube station

The Central Line platforms at Bank Tube station were yesterday closed for 90 minutes during the rush hour following "complaints that decibel levels from screeching rails were too high", the Evening Standard reports. City lawyer John Cooper told the paper: "We were all thrown out of the station. A member of staff told me it was …
Lester Haines, 11 Mar 2009
The Register breaking news

British troops to wear smart earplugs in Afghan combat

British troops getting ready to deploy to Afghanistan are being issued with electronic sound-cancelling earplugs designed to let them hear what they need to - orders, conversations, enemy footfalls - but prevent hearing damage caused by explosions, gunfire and so on. News of the new digi-plugs comes courtesy of the Times, …
Lewis Page, 6 Feb 2009
The Register breaking news

NASA working on boomless supersonic jets

NASA has announced the completion of a series of flight tests aimed at reducing the "sonic boom" effect, one of the major downsides of supersonic aircraft. Two custom-modified F-15 fighter jets were used in the test programme, referred to by NASA as Lift and Nozzle Change Effects on Tail Shock (LaNCETS*). Flying faster than …
Lewis Page, 26 Jan 2009

La Cie's quiet fans

External storage supplier La Cie has found a way to quieten its external drives by adding staggered notches to the trailing edges of the fan blades. How does that work? This is my understanding of the airflow and acoustics involved. A typical drive or CPU-cooling fan has, La Cie says, seven blades. These blades are angled and …
Chris Mellor, 12 Dec 2008
The Register breaking news

A380 too quiet, moan Emirates pilots

Airbus A380 operator Emirates has encountered an unexpected problem with the aircraft - it's "too quiet" for pilots to enjoy a quick kip in the crew rest area. According to Flight International, the company's flyboys complain the lack of background engine noise means they can hear every wailing infant and flush of the vaccuum …
Lester Haines, 9 Dec 2008
The Register breaking news

Top aero boffin: Green planes will be noisy planes

One of Blighty's top aero engineers has tried to open up a debate on the conflict between quietness and greenness in the next generation of airliners. However, most of what he actually said has been obscured by a report stating that he is calling for the introduction of nuclear-powered airliners. Professor Ian Poll FRAeS is a …
Lewis Page, 1 Nov 2008
The Register breaking news

BAA 'invented green superjumbo' to OK Heathrow plans

Comment The BBC's renowned Panorama team - famous for breaking the "news" that Wi-Fi really does make your head explode - will tomorrow reveal that UK airport operator BAA has cynically colluded with the government to falsify the environmental impact of expanding Heathrow airport. According to early reports, BAA drove down the projected …
Lewis Page, 21 Jul 2008
The Register breaking news

Sikorsky X2 superwhirlybird enters ground spin-up phase

Those like us on the Vulture flying-car desk, who chafe at the limitations of present-day hovering aircraft, like to keep an eye on Sikorsky's X2 prototype. The helicopter firm announced today that the X2 made its first ground runs with blades fitted last week, and everything went swimmingly. "We continue to move our …
Lewis Page, 21 May 2008

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