It is already used for heating buildings and for all sorts of industrial heating.
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Cellulose, which makes up more than 90% of the weight of the devices, is already used in implants.
The drug is already used for cosmetic purposes, such as a wrinkle treatment.
Hitachi's proposed facilities will use its advanced boiling water technology, which is already used in four reactors in Japan.
Such technology is already used to power watches, but scaling this up to the level required by smartphones is difficult.
Founded in 2010 and launched just in September 2011, Stripe is already used by a variety of small and large companies.
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State officials say that the ARIS system, or Achievement Reporting and Innovation System, is already used in much of the state.
The technique, known as 'photodynamic diagnosis', is already used to diagnose and treat other types of cancers, for example, certain skin cancers.
In practice Russian is already used widely in official establishments in Ukraine.
This printing process is already used in organic solar cells and organic light-emitting diodes (OLEDs) that form the displays of mobile phones.
And some of the threatened coastal land is already used by industry.
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The 7digital API is already used by numerous consumer electronics brands to create integrated digital music services for mobile devices, including Samsung, HTC, Acer and RIM.
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The Hawk-Eye system uses strategically-placed cameras to determine the exact flight of a ball and is already used in international cricket and at grand slam tennis tournaments.
Dr Shields's device, however, is a simple modification of the sort of equipment that is already used to detect multiple photons, and should thus be easy to deploy.
Linux is already used by most Internet-service providers and, outside America, is becoming one of the most popular versions of Unix, the software family to which it belongs.
The best part, she says, is that such a drug already exists, is known to be safe, and is already used in humans for the treatment of depression and anxiety.
The label is promoted by the local food movement, and though it has only been in use since 2011, it is already used by more than 50 restaurants in the region surrounding Paris.
As Robert Moffit, of the right-wing Heritage Foundation, argues, this approach is already used in the Federal Employees Health Benefits Programme, and so should be good enough to be extended generally.
Facebook's comment service initially failed to take off, but a new version, launched on March 1st, is already used by more than 17, 000 websites. (This newspaper will soon start testing it for some online discussions.) The results seem encouraging.
It is made by Bayer and its advantage is that it is already widely used against bronchitis, so it is known to be safe.
"Avatar" is already being used to rally environmentalists against Canada's oil sands industry.
Massage is already widely used to treat osteoarthritis, for which other treatments have concerning side effects.
Statistical analysis is already widely used in multiple-choice tests to catch out cheats.
The herbal extract is already widely used to treat mild depression in Germany.
The collaborative platform is already being used for films Shrek 2, due out in May, and Shark Tale, expected this fall.
Open source is already widely used in manufacturing, finance, and retail.
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The process is already widely used in apparel and home furnishings.
Bump is already being used for mobile payments via a partnership with PayPal but the payments are generally between two individuals, not between businesses and customers.
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Fraunhofer's Full-HD Voice technology is already widely used to provide CD-like audio quality for professional video conferencing systems, as well as consumer video telephony applications, such as apple FaceTime.
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