112 Color of light

Week eleven had only a Wednesday and Thursday class due to holidays. After much thought, I chose to dump the Limits of Light and go straight into spectrum using CD spectrograph boxes. I used this to lead a discussion on how many colors students saw. Students listed six colors, although one box showed a magenta fringe beyond purple. This led into the lecture on science as what we can see, what we can measure.

I had forgotten to move a microscope on Wednesday afternoon, so I moved one early on Thursday morning. This term I brought the Blackview. This worked better than the Pixel due to larger pixels. 

One suggestion is to rework the screenshots to use c1 in lieu of just c for the color variable. I did that in class. 


Mirabella graciously let me take a picture of her yellow shirt with the Blackview phone. I am reminded I should wear a yellow overshirt so I can take it off and put it under the microscope. 

Under the microscope the Blackview showed only red and green for her shirt. The Pixel focus mechanism battled me on this photo.

In the 11:00 section Jemara graciously allowed me to photograph the yellow embroidery on her urohs en Pohnpei. 

This is a laboratory done wholly on mobile devices such as cell phones and laptops using Desmos color functions.

Mirabella setting up Desmos. 

Ray-Annie looks up at the SMARTboard. To facilitate this laboratory for the students, I pulled up the questions in Canvas and magnified the screen as much as possible. This makes working on a cell phone much easier.

The board layout was basic.
End shot after 11:00 section 

HSV diagram on left board


Work on progress on a cell phone 


Setting the Desmos fill to 1.00 helps with some colors, especially brown where, when viewed alone, a dark red will appear to be a brown color. 

The equation makes use of less than or equal to to force the fill option to appear.

Sheral worked on her laptop. The flexibility provided by the course where students can use mobile phones or laptops for all aspects of the course means that the class no longer needs computer laboratory time. The first few years the first three laboratories ended in the computer lab. Now ubiquitous mobile tech, the SMARTboard, and in-room WiFi mean we no longer need access to a computer laboratory.

Shawn Dee joined 8:00

A class all on their phones can be a productive class.

Delailah, between Mirabella and Ray-Annie also joined the 8:00 section.

Cinnamon rolls in the foreground are a side benefit to joining the 8:00 class - on days when cinnamon rolls are available.

Kapualani, Sucie,  Louisa, Charla

Attendance photos still help sort out who was present and when.

Sheral and Gabby diligently focused on the laboratory.
Morgianna, Dantzen, Darla , Jemara, Che'chemely 

Che'chemely 

Angelica

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