Information about Hormones

Hormones have been a great thing to study forever. They have a tremendous influence on the body .The effect of sensory input on hormones is essential to any explanation of mammalian behavior, including aspects of physical attraction. The chemical signals we send have direct and developmental effects on hormone levels in other people. Since we don‘t know either if, or how, visual cues might have direct and developmental effects on hormone levels in other people, the biological basis for the development of visually perceived human physical attraction is currently somewhat questionable. In contrast, the biological basis for the development of physical attraction is based on chemical signals.

My Face Recognition

I am a dream chaser. I have always had a great fascination for face recognition. This field has amazed me forever. Face recognition may seem an easy task for humans, and yet computerized face recognition system still can not achieve a completely reliable performance. The difficulties arise due to large variation in facial appearance, head size, orientation and change in environment conditions. Such difficulties make face recognition one of the fundamental problems in pattern analysis. In recent years there have been a growing interest in machine recognition of faces due to potential commercial application such as film processing, law enforcement, person identification, access control systems, etc. This field is growing at a very rapid pace in almost all fields of life. This has been mostly due to the increase in the crime these days. Such sophisticated technology can somehow help us in reducing the occurrence of such crimes.

Medium Star Article

Medium stars expand, as they grow old. Their core starts to run out of hydrogen and helium. Then the outer layer expands, cools, and it becomes less bright and it becomes a red giant. Now that the star is a red giant, the outer core of the star continues to expand. The helium in the core fuses together and form carbon atoms, which then release energy. Then the outer layers of the star start to drift away and form a planetary nebula.

The nebula starts to cool and shrink in size. Now the star becomes a white dwarf. It is a stable star with no nuclear fuel. The white dwarf radiates its leftover heat for billions of years until it all it has been used. Now it will become a black dwarf (A cold, dark dead star).

Read About Huge Stars

As huge stars grow old, they become red super giants. They become red super giants because their core fuses all its hydrogen into helium. Their core shrinks and becomes hotter and denser.

The core of the star collapses in an instant. The iron atoms are crushed together during the gravitational collapse. The temperature of the core reaches 100 billion degrees.

The electrical forces between the atoms' nuclei become greater than the gravitational forces, which cause a bright, short explosion called a supernova. The shock wave of the explosion blows away the outer layers of the star.

The star will become a neutron star or a black hole depending on its remaining mass. If its mass is 1.5 to 3 times the Sun's mass, (1.99 x 1030 kg) it will collapse and become a neutron star. Its mass is 1.4 times the Sun's, it has a strong magnetic field, and it spins rapidly.

If the mass of the star is more than 3 times the Sun's mass, it will become a black hole. A black hole has a gravitational field strong enough to keep light from escaping.

Valentine's Day Glass Collection Information

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