Timeline for Why are Shadows formed?
Current License: CC BY-SA 3.0
8 events
| when toggle format | what | by | license | comment | |
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| Jun 4, 2020 at 16:03 | history | edited | CommunityBot |
Commonmark migration
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| Mar 21, 2018 at 6:04 | answer | added | HolgerFiedler | timeline score: -1 | |
| Mar 21, 2018 at 1:10 | comment | added | wbeaty | Yes, no perfect 100% shadows exist. But think more: first employ an 'opaque object' which is less than one wavelength across. Then repeat, but use an object which is 100,000 wavelengths across. Also, google terms: Fresnel diffraction, Fraunhofer diffraction | |
| Mar 20, 2018 at 23:30 | comment | added | Selene Routley | And also obligatory here is to read the story of the amusing and curious incident of the Poisson Spot. | |
| Mar 20, 2018 at 22:24 | comment | added | Hot Licks |
Google Huygens' Principle.
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| Mar 20, 2018 at 22:19 | answer | added | Bill Alsept | timeline score: 3 | |
| Mar 20, 2018 at 19:54 | answer | added | Ballanzor | timeline score: 0 | |
| Mar 20, 2018 at 18:30 | history | asked | Madhuchhanda Mandal | CC BY-SA 3.0 |