Solid State
Is the hard drive version of the Acer Aspire One faster than the solid state drive version?
I'm thinking of buying a netbook. I'm not sure whether to get a solid state drive or a regular hard drive. The hard drive holds more than the solid state drive version but i heard the solid state version is faster. I don't mind the low space because I have an external hard drive. Any opinions?
ya the solid state is a little faster, but don't expect any miracles
The 128GB CRUCIAL M4 2.5IN SATA 6GB/S.
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Crucial 64 GB m4 2.5-Inch Solid State Drive SATA 6Gb/s CT064M4SSD2
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Upgrade your laptop to high-performance and extend its battery life with the reliable SanDisk Ultra SSD. You'll enjoy faster boot-ups and shutdown in up to half the time compared to a 7200 RPM hard drives...
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The Seagate Momentus XT drive offers hybrid storage with Adaptive Memory technology, enabling the drive to deliver higher capacities up to 500 GB and SSD-like performance. The Momentus XT drive is designed for all standard laptop PCs and is OS-, driver- and software independent, making this drive easy to integrate and easy to use...
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The Seagate Momentus XT solid state hybrid drive combines SSD-like performance with affordable high-capacity hard drive storage for laptops, external backup and small form factor desktop PCs. This drive is designed for all standard laptop PCs and is OS-, driver-and software-independent, making it easy to integrate and easy to use.
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With leading-edge SATA 6Gb/s performance, Force Series GT is built for speed. PC boot times are faster, overall system speed is better, plus Force Series GT offers incredible real world performance with games and compressed data such as video, images and music files...
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256B Crucial M4 2.5IN SATA 6GB/S
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512GB Crucial M4 2.5IN SATA 6GB/S
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OCZ Vertex 2 SATA II 3.5 inch Solid State Drives deliver the same industry-leading performance as the 2.5 inch edition in a larger, lower cost per gigabyte form factor to easily integrate into desktop applications without the need to install additional hardware...
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OCZ Agility 3 SATA III Sold State Drives are designed and built to provide and exceptional balance of performance and value. The Agility 3 Series implements the cutting-edge SATA 6Gbps interface to deliver excellent sequential and random data transfer rates, significantly improving your gaming, multimedia, and overall computing experience over traditional mechanical hard drives...
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Lasers are widely used in optometry because light can reach almost any internal eye structure almost without offense. The first use of light in optometry can be dated back to 1946 when a German ophthalmologist Gerd Meyer-Schwickerath used light to coagulate human retinal tissue. He sealed off retinal tears with the light of a xenon arc lamp producing tiny burns in the retina. This technique revolutionized the world of optometry. After the first laser was demonstrated in 1960 by Theodore Maiman, it quickly became an efficient tool in the field of corrective eye treatment. Today's technology has made it possible to develop a wide variety of lasers, each with its own technical specifications and use. There are the five most common kinds of lasers used in optometry: YAG laser, excimer laser, microkeratome femtosecond laser, Krypton lasers and argon laser.
The YAG laser, one of the most common types of lasers, is a solid-state laser used in various fields like ophthalmology. YAG lasers have a 1054 mm wavelength and can be operated in pulsed mode as well as continuous mode. The most common eye surgeries in which the YAG laser is used are cataract surgery and peripheral iridotomy. YAG lasers with frequencies of 532mm wavelengths are used for photocoagulation.
The excimer laser is probably the most widely used kinds of lasers in optometry. Instead of burning through matter, excimer lasers shoot out energy that breaks apart the molecular bonds of the eye's surface tissue. These molecules thus disintegrate into the air, and there is no burning involved. Excimer lasers can remove incredibly thin layers of eye material without impacting the remaining tissue. So these types of lasers are often used in precision surgeries.
The microkeratome laser is designed to forego the blade and use ultrashort-pulse femtosecond lasers to make the cut instead, which can minimize risks inherent in the microkeratome blade method. The microkeratome is a mechanical shaver that cuts a very thin flap out of the exterior layer of the cornea to allow for laser surgery.
The Krypton laser is a kind of gas laser using krypton ions in combination with electronic discharges, which is commonly used to treat macular degeneration, a disease that shows up often in the group of elderly people and results in the loss of a central field of vision due to a damaged retina.
The argon laser discovered by William R. Bennett can be emitted at various wavelengths in the ultraviolet spectrum. They commonly used in retinal phototherapy procedures. Diabetic patients often suffer from diabetic retinopathy. Argon lasers are used for panretinal photocoagulation to prevent retinopathy from further damage. They are also used in treating open-angle glaucoma.
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