2024
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spcyw 2024 home
Here is the link to the schedule This is the link to the folder where you need to put the documents that you want to share in the website
Camp zoom: Join Zoom Meeting
here
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Multimeter cheat sheet
Copper tape circuit Potato battery Total internal reflection, Kit Interference: paper strips Sunspots Measuring the wavelength of light Laser wavelength worksheet Snell's law Snell's law - printable version Physics (optics) simulators Solar cells Optics schedule House prototype Cloud chamber Doppler activity Aisha's spectroscope | 
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| Links to use next time: | img |
| Based on this sketch from Alex, I used Fusion to design the parts, lasercut them out of 1/8" plywood. All the little holes are for 1/8" dowels. |
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| Last year, I saw that the servo arm that came with the servo was too short to fully flex the fingers. So I printed some new ones. They have different inside diameters, to determine which one would fit snugly on the servo shaft. D is the best, E,F too loose, A-C too small. [printed with PLA on the Prusa Mini, 100% infill, no supports.] | 
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| Go to the motor notes | 
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| Inventory of 19 April | 
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What goes into the blue shared electronics box?
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OPTICS
From here:
about halfway down (Wed June 8)
Wednesday, June 7, 2023
Optics
12:15 to 12:30
Lasers and Laser Pointer Safety Adriana
12:30 to 1:00
The wave nature of light Laurie
Ask “What is light?” (Energy – ability to do work – what is work, move stuff heat &
push around)
Demo with Crooke’s Radiometer
Show video of solar car
Particle vs wave
Definitions, wavelength, constructive/destructive interference
Hubert’s strips
Online ‘Ripple Tank’
EM chart
measure UV and IR with the laser meter and rainbow
What part of the chart do you work with?
Interference patterns – laser with diffraction grating
Demo Interference pattern – cloth (Priscila Rosa did the hair measurement Tuesday)
1:00 to 1:30
Taking Light Apart and Putting it Back Together Laurie
Discuss rainbows – demo with glass of water
Make rainbows with triangular prism, collimator, and flashlight
Make rainbows with diffraction grating and flashlight
Demo how different colors bend differently (with lasers) time???
Combine colors and make white with colored flashlights
Talk about absorption of light
Also use colored flashlights with prisms
Discuss the Dress
“Step into the Rainbow” while playing with prisms
1:30 to 1:45 Break
1:45 to 2:15
Reflection and Refraction and Absorption and Scattering
Demo reflection/refraction with laser refraction tank Laurie or someone?
Total Internal Reflection (light guides, waterfall) Hubert
Introduce 5-laser/prism boxes, look at focal length, etc.
Index of Refraction
Grow spheres in water Laurie
Snell’s Law calculation Hubert
Laser Microscope with dirty water Laurie
Sky is blue tank (get the eggs) Laurie
2:15 to 2:45
Spectroscopy
Infrared and UV examples
Demo with IR/iPhone camera, UV
Look at Various objects with UV lights
RSpec Explorer with gas tubes and light tower
Show spectroscope examples
Use the spectroscopes they made as Tuesday night’s homework
Fluorescence and phosphorescence demos
Invisible ink pens and phosphorescent paper, write with blue laser
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Boxes on the optics shelves: I numbered them (faint purple)
1 - prisms, calcite crystals
2 - orange laser,meters, xenon bulbs
3 - spectral tubes
4 - wave generator, strobe
5 - filter plastics, mats, sensitized paper
6 - crook's tube, water tanks
7 - diff gratings, UV lights, IR thermometer, rocks
8 - (cardboard) box of power strips
9 - solar car, invisible ink, hologram kit
10 - feet, milk powder, rainbow glasses
11 - drinking glasses
12 - lanyards etc
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