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  • STEAMfest 2025 
    • Plan Your Visit
    • Register Now!
    • Activities
    • Village Square
    • Volunteer
    • Donate
  • Adopt A Frog
  • Get Involved 
    • Volunteer
    • Create An Activity
    • Sponsor Opportunities
    • Village Square 
      • Artisans & Vendors
      • Nonprofits
      • Food Trucks
  • More 
    • About 
      • Mission
      • History
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      • News & Blog
      • Press
      • Contact
    • Virtual
    • Past Years 
      • 2024
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Double Slit Experiment

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Activity Booth

Measure a hair with a laser!
pattern1

Take a hair and try to measure the width with a ruler? Does this work … no! The hair is very thin … less then one millimeter or 1/32″ and much too thin to use a ruler.

One method that scientist use to measure very small objects is diffraction and interference. This method uses what scientists have learned from the  “Young’s Double Slit Experiment”. The laser diffracts around the hair and creates an interference pattern on the wall. We can then measure the peaks in the interference pattern and calculate the width of the hair.

Sponsor

STEAMteam

STEAMfest is made possible with the help of hundreds of organizations and volunteers, both within the Woodlawn School Community and without. The STEAMteam is responsible for the planning, promotion, organization, and execution of STEAMfest. Each year the STEAMteam creates a number of activity booths based on the teams skills and experience. Meet The STEAMteam
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Burning Steel
STEAMteam
Fire Foam
STEAMteam
Banana Piano
STEAMteam
Atoms & Molecules
STEAMteam
Thermal Chemistry
STEAMteam
Electroscope
STEAMteam

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  Photography by: Georgina Emily Photography

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