Parastoo Khosravian Arab; Gholamhosein Rastegarnasab; Zahra Arzjani; Mansooreh Banazadeh
Volume 23, Issue 89 , May 2014, , Pages 99-101
Abstract
In the present century, a massive scientific, intellectual and philosophic revolution has happened in our understanding of the universe. Meta space theory introduces new dimensions to the accepted four dimensions of space-time. In fact, according to this theory the world is located in a Meta dimensional ...
Read More
In the present century, a massive scientific, intellectual and philosophic revolution has happened in our understanding of the universe. Meta space theory introduces new dimensions to the accepted four dimensions of space-time. In fact, according to this theory the world is located in a Meta dimensional space. Scientifically, this theory accompanies Kaluza-Klein theory or super gravity. But superstring is its most developed formula, which even predicts the exact number of dimensions. So, six other spatial dimensions are added to the three commonplace dimensions of space (length, width and height) and the one dimension of time. Therefore, the present article seeks to display that science certainly needs higher dimensions to describe hidden layers of natural laws. So that, even known laws of the nature expressed in higher dimensions become surprisingly simpler, symmetrical and more beautiful and nature finds its real position in a geometry with higher dimensions.
Maryam Shafiei; Zahra Arzjani
Volume 22, Issue 87 , November 2013, , Pages 99-102
Abstract
The present article investigates this research question: “why rainbows are only visible between 40 to 42 degrees in a spherical drop of water?” When a ray of sunlight enters a water drop, some of the light will be reflected, some will pass through the drop and some will be refracted according ...
Read More
The present article investigates this research question: “why rainbows are only visible between 40 to 42 degrees in a spherical drop of water?” When a ray of sunlight enters a water drop, some of the light will be reflected, some will pass through the drop and some will be refracted according to Snell law and exit the drop and create a rainbow.
Two main factors, refractive index and wave length create different colors of rainbows and play an important role in the occurrence of rainbows. Every water drop can create one of the rain bow colors in human visual range. Then, we explain why rainbows are curved.
According to the investigations performed and mathematical formulas proved, we conclude that the intensity of light rays exiting the drop from different angles is not the same, and most of the exiting colorful light make an approximately 42 degree angle with the solar radiation. Yet, this angle depends on the light color. For red to purple, this angle is about 40 to 42 degrees.
Gholamhosein Rstegarnasab; Zahra Arzjani; Mansureh Banazadeh; Sara Bagheri
Volume 21, Issue 83 , November 2012, , Pages 82-85
Abstract
On the occasion of World astronomy day and the eighth student astronomy seminar, Mohammad ibn Zakariya Razi student research center in Shahr-e Ray launched an international project with the title of “Measuring Earth to Moon distance using non-Euclidean trigonometry” with the cooperation of ...
Read More
On the occasion of World astronomy day and the eighth student astronomy seminar, Mohammad ibn Zakariya Razi student research center in Shahr-e Ray launched an international project with the title of “Measuring Earth to Moon distance using non-Euclidean trigonometry” with the cooperation of America, India, and Italy, Thailand. A large population of students in the participating countries took part in the project. Moreover, different national astronomy groups and societies cooperated. The present article seeks to provide practical astronomical and mathematical training on international level, so that students will be able to confirm figures and numbers discussed in scientific books and centers. In these measurements, students in Rey research center astronomy group took part in measuring the moon azimuth angle and its elevation in Picard region on its surface. The measurement results along with other tests performed by national and foreign groups showed an appropriate level of adaptability with pre-measured standard values.
