Dragon’s Eye

April 18, 2019

Title of the photo: A Boy and His Horse

Name of the photographer: Wayne Winkelman

Where you saw it: Dragon’s eye exhibition

What about it connects to you? I like the vivid color of his clothes and the cloth on the horse. Also, his facial expression appeals to me.

Evaluate the technical skill of the photo: The color and texture of the photo stand out as there are different kinds of colors and cloths.

The artistic skill of the photo: The photographer placed the subject in the middle of the photo and made the subject and its horse fill the frame.

 

Thomas Leuthard

April 18, 2019

The photographer that I found is Thomas Leuthard. He is a Swiss photographer who specializes in street photography.

Light: He uses natural light such as sunlight.

His Street Photography

  • All of his photos are black and white.
  • Most of his photos are outdoors.
  • Some photos create the silhouette of the subject between the contrast with the sky.
  • The subject is usually one or two people.
  • The places that he takes photos are mostly empty spaces.
  • Lines and pattern are used

How do they work? I think he takes photos where there aren’t many people. Maybe he stays on a spot until someone comes.

His Photos 

Photos are from here: https://www.flickr.com/photos/thomasleuthard/

I like his photos because the overall mood of his pictures are the same as they are monochrome. Also, I like how the subject is only one or two that makes the audience focus on that person. The places are all aesthetic and give a simple and strong image of the picture.

Street Photography Day #1

April 16, 2019

On this day in class, we went out into the field and took street photos at the park across from school (April 12th). We spent about 45 minutes and were free to wander the park from end to end in an effort to capture candid “day to day life” in China/at the park.

 

Photo #1

Description of the photo: This photo is a man smoking cigarettes.

Why did you choose this one? I choose this photo because I like how the smoke comes out from his mouth and the cigarette.

How did you get this photo? I found him smoking, so I thought it would be interesting to take some photos of the smoke. I was taking photos in front of him, and when he saw me, He smiled and laughed.

Photo highlights? Focus on the eye, blurred background, wrinkles on his face

What did you learn from this photo? When I saw this photo on the camera screen, I didn’t know that his hand shook. I should increase my shutter speed next time.

 

 

 

 

Photo #2

Description of the photo: This photo of a girl riding a scooter.

Why did you choose this one? I choose this photo because I think it is taken clearly even though the subject was moving.

How did you get this photo? I saw a girl coming towards me, so I prepared my camera to take a photo of her riding the scooter.

Photo highlights? Blurred background and her left leg, because it makes the picture more vivid

What did you learn from this photo? I decreased the brightness of this photo because the original one was too bright. I think the iso was too high. I should check my iso before I take my pictures.

 

 

 

 

Photo #3

Description of the photo: This photo of a boy holding his dad’s hand.

Why did you choose this one? I choose this photo because the way how the baby looks at the camera is so cute.

How did you get this photo? I saw a boy walking with his dad in front of me, so I got close to him and took it.

Photo highlights? Blurred background, the baby’s hand, an overall shadow on the baby’s face

What did you learn from this photo? I think I focused on the tip of his hat, not his eyes. I should practice taking photos by manual focus.

 

 

 

 

 

Photo #4

Description of the photo: This photo of an old man holding a stick wrapped with strings.

Why did you choose this one? I choose this photo because both of his facial expression and his stick are interesting to me.

How did you get this photo? I took this photo when the old man was sitting on a bench.

Photo highlights? Complicated strings wrapped on the stick

What did you learn from this photo? I learned that focus is important because I noticed the strings on the stick look more interesting as it is focused.

 

Engineering Project #4

January 21, 2019

Our final project:

  • Propeller:

  • Lantern:

  • Wire:

 

The product we made works by the convection of heat. In our chosen product, heat energy from the flame transfers to the kinetic energy of the propeller. As the hot air rises, the heated air collides with the propeller, and the propeller gets pushed by the constant hot air that is coming from the fire.

This is a diagram from the convection part of the textbook:

Strengths:

The fact that we figured out the problems of our three prototypes and attempted to develop those was successful in our process. In addition, we kept on investigating the materials and the size of all parts of the lantern and measured it accurately on the material we used.

Weakness:

We had no time to combine all the portions of the product and eventually couldn’t finish it. The improvements of our process are to endeavor different conditions faster. It would help us to have more time in the end and to be able to combine the parts of the product. Also, if we tried to use the Bunsen burner right after we notice that candles are too weak, we could have saved more time of investigating the lightness and the size of propellers to spin with candles (second and third prototype).

Additionally, we could make it more aesthetically appealing by applying various designs of the lantern and further develop the lantern by trying different numbers of aluminum foil of the lantern wall. Because when we finished layering the foils, we recognized the foil was too thick and turned out to be slightly heavy.

Impact on the client and environment:

If we completed the lantern, it would definitely be the most aesthetically appealing product. Also, I personally got interested in the scientific theory of this product when I first saw it; therefore, it would be efficiently used to increase interest in science, particularly physics, to students as I did. Moreover, our planned product only needs one material, a strong heat, the clients can use it easily. Nevertheless, the impact on the environment might be harmful due to the use of natural gas of the Bunsen burner.

Personal evaluation of this project:

I think the overall function and the appearance is pretty fine, but it’s sad that I couldn’t finish before the end of this project. If we had more time, we could have revise all the flaws of both aesthetic and functioning parts. However, I learned many different aspects of modeling, crafting, and having feedback during the engineering project, and became able to develop myself.

Engineering Project #3

January 20, 2019

Abby, my partner, and I made the first prototype based on my first model.

My first model:

This is a picture of the propeller:

This is a picture of the candle basket and the wire:

I forgot to take a picture of the whole product, but eventually, it failed…

So, we tried using more candles to enforce the heat power. Unfortunately, even though we put more candles, the propeller didn’t move.

We had to consider the problem of other aspects such as:

  • the length of the propeller
  • the weight of the propeller
  • the friction between the wire and the propeller
  • the heat energy to move the propeller
  • the distance between the candle and the propeller
  • etc.

 

As I searched more videos about the rotating lantern, I noticed that many videos made the propeller out of tin cans, which is lighter and able to conduct heat.

Although I was not sure if the propeller needs to conduct heat, it was worth a try. Therefore, my second prototype was made with a smaller propeller by using tin can. We kept on trying to make it spin, but it didn’t work as well.

This video shows that it rotates by blowing: Second Prototype – blowing

This video shows that it doesn’t work with candles: Second Prototype – candle

 

As our third prototype, we decided to make exactly the same as the video, which is this one:

We choose this video because it contained detailed information about the process.

It was difficult for us to measure the degree of the propeller, so we approximately tilted it. The size and the materials were the same and even the design; nevertheless, it didn’t work.

This photo is our third prototype:

This video shows that it spins by blowing: Third Prototype – blowing

This video shows that it doesn’t work with candles: Third Prototype – candle

 

After making and failing the second and third prototype, I went to my house and built another propeller with aluminum foil and tried it on the stove. Then, it worked unbelievably well. I also tried it on the candle, but it didn’t work. As a result, I realized that the candlelight was too weak for the propeller to move.

Thus, the day after, we asked Mr. Toigo if we could use the Bunsen burner for our project. He said we can test it on the Bunsen burner, and this is the video that we took with our third prototype on the Bunsen burner:

Third Prototype – Bunsen burner

We decided to make a product for the Bunsen burner or a product that works with a stronger heat.

 

This is our model for the final product:

As the heat from the Bunsen burner is strong, we decided to make the lantern with aluminum foil, which is a nonflammable material. Also, the foil will be 9 layers to prevent the foil from bending and losing shape. Furthermore, we designed the lantern to have holes and to be glued on a patty paper to make the light visible through the aluminum foil. In order for the consumer to locate the lantern next to the bed while they sleep, making the light go through the lantern will be aesthetically appealing in the night.

We even measured the distance between the lantern and the Bunsen burner to know how much far the lamp should be in order to be safe.

This photo shows how we measured the distance between the lantern and the Bunsen burner:

However, the problem was the material of the propeller. Using aluminum foil would be too thin and using a tin can would be small for the propeller. Hence, we decided to make the propeller with thin wood by using a razor cutter and to put the propeller far away from the fire just in case if it burns.

This is the design of the propeller:

This picture is the propeller from the razor cutter:

This picture is after we hot glued the wings to the propeller; final propeller:

This picture is the process of cutting the aluminum foil:

Finished lantern (couldn’t use patty paper because there was none is the science room):

Everything was perfect until we cut the wire and try the propeller to settle on the wire tip. In the three previous prototypes, we located the propeller on a stick that has a sharp end, so that it can rotate smoothly. However, it was difficult to make a steel wire acute. We thought several ways to make it sharp such as using sandpaper or using a lighter to heat the tip and transform it, but they all had a limit of making the tip sharp.

Not only the wire but also making the lantern to stand stable was difficult. In order to stabilize the lamp, the bottom portion of the lantern should be heavy so that it can stand and be balanced. Nevertheless, we had no time to look for heavy materials and unfortunately couldn’t finish the project.

Consequently, we couldn’t finish our product due to lack of time. We completed the propeller and the lantern part but couldn’t finish how to make it stand and how to attach the propeller loosely to the wire.

Engineering Task #2

January 14, 2019

I decided to make a device by utilizing convection. The name of my product is The Rotating Lantern. As the hot air from the candle raises, it pushes the propeller to move. Then, the propeller rotates with the paper attached to it.

The purpose of this product is for decorations. The audience can put this lantern next to their bed and be relaxed by watching the spinning lantern and smelling the good scent of the candle. As it has to be next to the bed, the size of the lantern isn’t big

This is my model:

In order to build this, I need:

  • Cardboard
  • Paper
  • Wire
  • Cutter knife
  • Scissors
  • Glue
  • Tape
  • Etc.

I will use cardboard for the propeller because the propeller should be light enough to move with a small wind or action. Furthermore, by using paper that covers the candle above, the hot air from the flame will go straight up to the propeller and prevent the hot air to spread. A thin paper will help the light from the flame to shine and be more aesthetic. Also, making holes in the paper will be more attractive.

For the techniques to know, is:

  • How to cut a cardboard clean and accurate
  • What degrees should the propeller be tilted to rotate by wind
  • Etc.

I used the wire to separate the lantern and the candles for safety. If the distance between the lantern and the candles are close, the paper might be on fire as the flame waves. Also, between the wire and the propeller should be loose in order for the lantern to rotate easier and faster with a small amount of hot air.

Plans:

1/9 (Wednesday): Get the model approved from teachers (20 min), Start to build prototype → Make the propeller by using cardboard with a box cutter (30 min), make a basket for the candles with thick paper (20 min)

1/11 (Friday): Combine them together (20 min), Develop → test if it works (10min), get feedback from peers (30 min)

1/15 (Tuesday): Start to build the Final → make the propeller and candle basket (40 min), Design paper (20 min)

1/17 (Thursday): Combine them together (20 min), Attach paper (10 min), Lastly, check if it works and if it improved than before (reflect, 30 min)

Engineering Task #1

January 14, 2019

For this engineering project, students have to make a product by utilizing physics. The product should be related to energy transfer, and be made by considering its durability, environmental impact, and aesthetically appealing to the audience.

I decided to create a product that can be used in learning physics because it was easier for me to understand difficult formulas through experiments that are made based on the formulas. Besides learning physics, I also want to encourage students to have more interest in physics by this product.

To get some ideas, I searched some products that are already invented.

 

These are the videos that I first found:

 

pros: aesthetic, directly able to see energy transfer

cons: too common, saw these kinds of products often

 

pros: looks interesting (never seen before), aesthetic, challenging

cons: there are comments that this device failed… → not sure if it will succeed

 

pros: practical in daily life, challenging, doesn’t look difficult than I thought

cons: materials aren’t common (motors, hose, etc.), techniques required

 

pros: simple, not many materials are needed

cons: a little bit too common…

DIY Engineering Toy: Kinetic Carousel

 

While searching for products, I noticed that aesthetic products look more interesting and fascinating. Therefore, I determined the product to be more aesthetically appealing in order to captivate the students’ attention. As a result, I considered the second video as the most interesting, challenging, and aesthetically appealing product.

These are videos that are related to the second one:

This shape is more like a lamp. Nice to put next to a bed.

 

Very cute! Nice for decorating desks or shelves

 

More aesthetic, a bit brighter than others…?

As I research similar products, many comments say that making this device is difficult to succeed. Therefore, making this product will be a challenge for me.

Hello world!

August 13, 2018

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