Skip Ribbon Commands
Skip to main content
SharePoint

8C10.12 - Expanding Universe in 2-D

The Web Part cannot find an InfoPath form in the specified location. Either the location does not have an InfoPath form associated with it or it is on a different site collection. Modify the Web Part Properties and select a list or library on the current site.

​8C10.12 - Expanding Universe in 2-D

Preview
SelectSelected
Title8C10.12 - Expanding Universe in 2-D
Objective

​To demonstrate the geometry of the expanding universe in 2 dimensions using a laser and a grid pattern.

StatusAvailable
Assembly Instructions

No Assembly Required​

Setup Time2
Operation Time5
Preview Time5
Operation Instructions

Turn on the laser, be sure not to shine the audience, and start close to a wall or flat surface that is visible to the students.  As you take steps away from the wall, see as the grid expands in both dimensions equally.​

ExportableYes
Demo on DimeNo
PIRA 200No
Export Instructions (if different)
HazardsNone, Light Hazard - Laser Radiation Class IIIB
Analysis/Information
Category8 Astronomy
Subcategory8C - Cosmology
Keywordsexpansion, universe, two, dimensional, box grid
Construction Information
 
Equipment TitleUse SHIFT+ENTER to open the menu (new window).
  
QuantityUse SHIFT+ENTER to open the menu (new window).
  
laser - green, 5mW with mounted box grid diffraction pattern
1