... the excited state and back again to ground state. The energy released from this is given out as light and not reflected back to the source in anyway. Free radiating waves issued from an atom which have been stimulated to emit radiation are reflected back using reflected surfaces. Light wave-energy is thus reflected back to the source stimulating more atoms ... on the surface f the work-piece. The highly focused, high density melts and evaporates portions of the work-piece in a controlled manner. Types of layers used: Co2(pulsed or continuous waves). Nd:YAG(neodymium:yttrium-aluminum-gar...

• Word Count: 1647
• Approx Pages: 7
• Grade Level: High School

... Planck, had proposed that matter and radiation are not absolutely continuous. Planck concluded that the energy in all electromagnetic waves exist in the form of tiny, discrete amounts, or quanta. In 1900 Plank published his conclusions, which applied to heat, light, and radio waves. In 1905 Einstein seconded this insight, affirming that light could be understood as a collection of discrete quanta later dubbed ... ...

• Word Count: 1154
• Approx Pages: 5

... from one another. To get a closer look of things, everyone used a spectroscope to examine the patterns and colors of the elements based on the rainbow. Essentially, it separates light into waves that we known as colors. A complete mixture of all wavelengths of visible spectrum is known as white light. Spectrums are formed from white lights and frequencies. A white light can be ... elements change from the ground to excited state is from electricity because it charges for an atom when it touches each other. Going from the ground to excited state require heat. In this case, a flame was us...

• Word Count: 527
• Approx Pages: 2
• Grade Level: High School

... . There is an interference between electron particles and instead of two slits against the screen are displayed, multiple slits are shown, some diffused. Through wave-mechanics this shows that the waves from the slits are not in phase. Some cancel each other out and some reinforce each other. Moving into the topic of particles and the forces that surround them, Hawking ... begin colliding with each other until the gas heats up. This progresses until Helium gas is formed from the colliding particles. The heat from this reaction is the reason stars shine. When this reaction ends up slowing...

• Word Count: 2353
• Approx Pages: 9

... of optical spectrums emitted by atoms. When white light is sent through a spectrum, each color corresponds to a different band of frequencies. If the atom if one element are stimulated by heat or high voltage they will emit not an entire spectrum of radiation but only certain colored lines corresponding to certain definite frequencies of light characteristic of that element. One year ... ; Heisenberg did write "Essential points that I had overlooked" to describe his error. In this post-script it mentioned, "uncertainty in the observation - arises not exclusively from discontinuous partic...

• Word Count: 4391
• Approx Pages: 18
• Grade Level: Undergraduate

... of optical spectrums emitted by atoms. When white light is sent through a spectrum, each color corresponds to a different band of frequencies. If the atom if one element are stimulated by heat or high voltage they will emit not an entire spectrum of radiation but only certain colored lines corresponding to certain definite frequencies of light characteristic of that element. One year ... ; Heisenberg did write "Essential points that I had overlooked" to describe his error. In this post-script it mentioned, "uncertainty in the observation - arises not exclusively from discontinuous partic...

• Word Count: 4427
• Approx Pages: 18
• Grade Level: Undergraduate

... of optical spectrums emitted by atoms. When white light is sent through a spectrum, each color corresponds to a different band of frequencies. If the atom if one element are stimulated by heat or high voltage they will emit not an entire spectrum of radiation but only certain colored lines corresponding to certain definite frequencies of light characteristic of that element. One year ... ; Heisenberg did write "Essential points that I had overlooked" to describe his error. In this post-script it mentioned, "uncertainty in the observation - arises not exclusively from discontinuous partic...

• Word Count: 4218
• Approx Pages: 17
• Grade Level: High School