Category Archive: Devices

How Does Touch-Screen Tablets Work

Touch-Screen Tablets Work

Tablets are less powerful than laptops but can be more useful. Find out how they work and what they can do for you. A tablet is a cut-down version of a laptop. Besides having no physical keyboard, it also uses operating systems designed to allow instant online access and an environment closer to the smartphone …

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What’s Inside The Samsung Galaxy Tab

Inside The Samsung Galaxy Tab

How does the flagship Android tablet manage to do so much in such a small space? It would be easy to think of the Galaxy Tab as a very large Android smartphone, but that would be to ignore the thought that Samsung has put into designing the product. Designing a small tablet that still offers …

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How Motion Control Gaming Work

How Motion Control Gaming Work

At Christmas 2006, the UK went wild for the Nintendo Wii-people queued through the night, stores sold out and now 6 million consoles have been sold on these shores alone. By Christmas 2010, motion-control videogame systems were back on the nation’s wish-lists as the technology stepped up a notch. In September 2010, Sony released the …

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How Sound is Recorded And Replayed From Vinyl

Recorded And Replayed From Vinyl

Vinyl records are the audio storage media of yesteryear. You can think of them as MP3 players that simply store sound using a different system: older hard disk drives use magnetism to store this information, reading and writing using an arm that sweeps back and forth across spinning magnetic plates. Flash-memory music players (read: iPods …

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How Do Zoetropes Work

How Do Zoetropes Work

The optical toy that creates the illusion of moving images.. Today when you go to the cinema or watch TV, what you are actually seeing is a huge number of consecutively photographed images, or frames, displayed one after the other in very close succession. As each frame of zoetropes is individual there is a brief …

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Invention of The Safety Razor

safety razor invention

Jean-Jacques Perretis regarded as the inventor of the first safe razor that would not accidentally cause serious injury to your face. From about 1600 until the 1900s, when the disposable safety razor was introduced, the most common shaving implement was the straight razor. It was capable of cutting a man’s throat and was easily employed …

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