Beauty is Always Present

Investigation of Always Present and Spectrum Sensing based Incumbent Emulators

Cognitive radio (CR) technology has been suggested for effective use of spectral resources. Spectrum sensing is one of the main operations of CR users to identify the vacant frequency bands. Cooperative spectrum sensing (CSS) is used to increase the performance of CR networks by providing spatial diversity. The accuracy of spectrum sensing is the most important challenge in the CSS process sinc...

Is the Detection of Odontoma Always Comfortable? A Case Report

Abstract Odontomas are the most common type of odontogenic tumors, which are often discovered by routine radiographic images or after taking films to determine the main cause of the tooth failure eruption or malocclusion. The present study aimed to describe a case of misdiagnosis and similarity of foreign body density in the radiographic appearance to odontoma in a 13-yea...

Eating Behaviour: Is It Always a Conscious Choice?

in the past 40 years there has been drastic increase in the prevalence of obesity worldwide (1). This rapid increase in the prevalence of obesity is not a matter of physiologic or metabolic alteration within people. Thousands of scientific papers are published each year indicating that pharmaceutical companies are working to find possible money making antiobesity agents. Increasing in the preva...

Past and present. Always the sweatshop?

What is Beauty?

So what is beauty? First let me perhaps surprise you by stating that beauty can be defined numerically:1.6180339887. That is beauty that is the golden ratio (fig 1). It was described by the Pythagorean mathematicians, as they kept seeing this ratio in things regarded as beautiful, and it was first written down by Euclid, and can be expressed either as a linear relationship or as a shape, in eit...