(Kind of) Materials of bone tissue

Scaffold materials for making matricies for bone tissue engineering include several classes of biomaterials: synthetic polymers, ceramics, native polymers, and composites.
Synthetic Polymers, both organic and inorganic, are used in a wide variety of biomedical applications. The polymers can be biodegradable or nondegradable. Examples of biodegradable polymers include polylactic acid and polyglycolic acid, and copolymers thereof. [...]

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Yahoo Videocast Siap Tantang YouTube

Jakarta – Kepopuleran situs berbagi video YouTube boleh jadi membuat perusahaan Internet lain iri. Tak heran jika mereka ingin menciptakan tandingannya. Namun sampai sekarang, belum ada satupun produk serupa yang bisa dianggap sebagai ancaman signifikan bagi YouTube, situs milik mesin cari Internet Google ini.

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Blackberry? What’s that?

The BlackBerry is a wireless handheld device introduced in 1999 which supports push e-mail, mobile telephone, text messaging, internet faxing, web browsing and other wireless information services. Developed by the Canadian company Research In Motion (RIM), it delivers information over the wireless data networks of mobile phone service companies. BlackBerry first made headway in the [...]

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What are Mosaic Images?

A color image requires at least three color samples at each pixel location. Therefore, theoretically, a digital camera would need 3 different sensors to completely measure an image. However, using 3 different sensors to measure an image is a difficult task. First, using multiple sensors to detect different parts of the visible spectrum requires [...]

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Switzerland – Scholarships for Master and PhD Students at Graduate Institute of International Studies

A substantial number of scholarships is allotted each year by the Institute to Master and Ph.D. students on the basis of academic merit and financial need. There are two kinds of grants: tuition scholarships and full scholarships. Their duration is of one year with only one possible renewal.

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France – 2008 / 2009 Eiffel Scholarships for Master’s or PhD Degree

1/ Objectives of Eiffel programme
Eiffel excellence scholarships are awarded to high-achieving overseas students to whom French centres of higher education would like to offer a place on a Master’s or PhD course. The courses taken by these students in France ultimately target positions of responsibility in the public or private sector, rather than careers in [...]

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Mechanisms Of Erection

 
 
Intracavernosal smooth muscle tone is by far the most important determinant of intracavernosal blood flow. Approximately half of the cavernosal volume is composed of smooth muscle, with the remainder consisting of either lacunar spaces or collagen. Collagen fibers are largely responsible for the passive mechanical properties of cavernosal tissue. In contrast, active contraction of cavernosal [...]

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Penile Implants for Erectile Dysfunction

Penile implants were introduced into the marketplace over 30 years ago with the marketing of the three piece inflatable and the semi rigid rod almost simultaneously. Prior to that time, there was little interest in erectile dysfunction, little was known of the causes and epidemiology, and the treatments which were prescribed were in most cases [...]

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VISION & THE NATURE OF LIGHT

 
Light consists of particles called photons, each one of which can be
regarded as a packet of electromagnetic waves. For a beam of electromagnetic
energy to be light, and not X-rays or radio waves, is a matter of the wave-
length—the distance from one wave crest to the next—and in the case of light
this distance is about 5 [...]

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How Do We See? A Simple Explanation

We are surrounded by Electro-magnetic radiation, from all objects which have a temperature above 0 degrees Kelvin. Michael Faraday at the Royal Institution, of Great Britain, Albemarle Street, London, 170 years ago, [...]

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