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Circuit 1:

Circuit 2：

Circuit 3：

Question 1:

I think that using almost all electronic devices in our daily life is a kind of using of technology. Also, building things (like DIY) in our daily life is also using technology.

In the circuit, I made connections between computer and physical devices to put code into visible effect.

I think that the concept “how we  see computer”  and “how computer see us” raised  in the book just describe the interaction between human and computer. This is a mutual process. When a person/device(I call it A) do something and is detected by another people/device(I call it B), B could react and A is able to know that reaction. 

Question 2:

When pressing the button, the electronic potential of the point connected to D10 and D11 would be high and otherwise be low. The 10k resistor here, which is a big resistor,  guarantees the change electronic potential would be obvious enough to be detected by Arduino chips. Also, the current would not be too big to break the circuit.

Question 3:

1. I would build a screen to show anything people want. Every LED is a pixel.
2. I could use all the LEDs to make a “starry sky”, where each LED is a star and can move according to astronomical law. This could be put in the museum to show people the gorgeous starry sky and the secret of nature.

Folding Beijing:  In the story, vending supermarket was mentioned. Nowadays, there are “vending supermarket” but its function is not perfect. It require people to be honest and if there is someone who is not honest, they can easily steal things from the supermarket. A true imaginary vending supermarket should be equipped with automatic identification machine, face recognition system and infrared alarm, etc. The technology nowadays could definitely realize this but the cost is too high. In the future, with the development if technology, this vending supermarket could definitely be popularized.

Newton’s sleep: In this story, Esther could not see the world even after surgery. Since people can project the image onto the screen of TV and computer now, then what if there’s a technology that could receive light and generate corresponding signals to stimulate people’s brain in order to help those blind people “see” the world.

The lifecycle of software objects: In the story, Ana has a new “figure” in the game. But what if people in real life could have one new “figure”to replace them to present in front of the public? This may sound like something illegal and would bring benefit for those who want to do something bad, but this could also bring great convenience to many people like disabled.

https://editor.p5js.org/yk2308/sketches/y8oEu6MIw

Use p5.js to create an interaction sketch. We can press”↑” and “↓” to change the size of the figure. And the color changes every time we click.  Also we can press “c”  to draw circle and press “r” to draw rectangle.

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