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Everything posted by DanDuguay

  1. Holography is the art of 'lensless photography'. It is typically formed by reflected light captured on film. For example, a laser would hit an object. The object then reflects the light, and the reflection of the light is what is captured on the film. The images from a hologram contains more information than a traditionally photograph. The image is three dimensional and exhibits parallax. Holograms have cool properties that aren't displayed in photos. My personal favorite is that in a transmission hologram, the one previously explained, every piece of the film contains the whole image. So I
  2. Soccer, the most popular game in the world, has a lot of physics under the surface. The first is Newtons first law. The law of inertia. The ball stays at rest until acted upon. usually by a players foot. Then it stops only by an outside force. This could be friction from the field, air resistance, or another player. You can also factor in Newton's other two laws as well as momentum and a variety of others. The best physics in my opinion however, is the bending of the ball on a shot, or the Magnus affect. The bend and dip on the ball is mostly because the player kicks the ball at a certai
  3. What is a laser you may be asking yourself No? Understandable, but I will tell you about them regardless Laser is an acronym for Light Amplification by Stimulated Emission of Radiation. There are many variations of lasers but all have the same core parts. Those Parts are a medium, two mirrors, and an energy source. Energy from the power source excites the electrons in the medium. The excited electrons produce photons of light. There are two mirrors facing each other in a laser. One of the mirrors is completely reflective, the other is only partially reflective. The photons bounce back an
  4. The selfie is something that has become hugely popular. People are constantly taking pictures with their phones and this has become a common part of our culture. With all these people taking pictures on their phones, the question arises, is it worth it to buy a camera or just use your phone? The major camera type is a DSLR ( digital single lens reflex). The DSLR I use for comparison is a Nikon D80 which is a pretty average DSLR so it will be a good representation of the average. There are many differences between the two. the first difference is in the lens structure. The iPhone has a five
  5. The physics behind a hockey check is fairly simple. It is a basic collision. One force, the checker, is coming in with a mass and acceleration, onto and another player with a separate mass and acceleration. As Newton's law states, every action has an equal and opposite reaction. So the player with a bigger mass will be able to absorb more of the hit, and a smaller player, much less so. The Player who was hit will stay in motion unless acted upon by an outside force. A lot of times this is the boards. Many injuries occur by players going into the boards with a lot of force. The boards are un
  6. The Universe is a fascinating topic. How the universe was made can be traced back to many things, I don't wish to offend anyone, but I will not be talking about any divine powers, just some scientific theories. Most Theories start with a big bang of sorts. The big bang is really more of a cosmic stretch of the universe. Most people know about the big bang or at least the basics, so I will proceed to other theories about the origin of the universe. The first theory involves another dimension. The idea is that our universe is a 3-D ball bouncing around in a 4-D plane. We are not the only 3-D
  7. So are you saying that in one of these dimensions you're actually good at super Mario??. Fascinating stuff Jake, and don't go putting your cats in radioactive boxes, alright big guy?
  8. I am a senior in high school. I enjoy physics. These are two facts about me. I have enjoyed math for quite some time now and the application of math is what really draws me to physics. I am taking AP Physics C because I enjoy a good challenge. I have a thirst for physics that cannot be quenched by any other class. This class offers a unique opportunity to expand my understanding and increase my skill in physics while at the same time makes me frequently consider my decision to take the class. From this class, I hope to gain a solid foundation in physics. Physics will be a major part of m
  9. Jelliott, I can really relate to your analogies. I too wish to become a beautiful butterfly, to grow and grow until I burst with knowledge. although I find some of your post humorous as intended, I think you struck on very important ideas. I think hard problems can be torture but on the other hand, that makes them that much more rewarding when completed.
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