Light always reflects away from a mirror at the same angle that it hits the mirror. In your periscope, light hits the top mirror at a 45-degree angle and reflects away at the same angle, which bounces it down to the bottom mirror.
www.exploratorium.edu/science_explorer/periscope.html www.exploratorium.edu/science_explorer/periscope.html
The instructions below arefor a design of perscope made from poster board or cereal box for the body, and the mirrors are cut from ordinary CDs or DVDs. If you are going to be making lots and lots of periscopes, I have another set of instructions that use plastic mirror here. ... Back to the periscope introduction page.
www.sciencetoymaker.org/periscope/asmblCD.htm www.sciencetoymaker.org/periscope/asmblCD.htm
What does PUMA stand for? Definition of Periscope Mirror in the list of acronyms and abbreviations provided by the Free Online Dictionary and Thesaurus. ... (redirected from Periscope Mirror)
acronyms.thefreedictionary.com/Periscope+Mirror acronyms.thefreedictionary.com/Periscope+Mirror
Educational Innovations has Plastic Mirrors - Available in different sizes, these high quality plastic mirrors are durable and just right for mirror writing, periscopes, and many other experiments. ... Plastic Periscope Mirror (3" x 4") ; SM-4...
www.teachersource.com/LightAndColor/MirrorsLensesAndPri... www.teachersource.com/LightAndColor/MirrorsLensesAndPrisms/PlasticMirrors.aspx
A periscope rear vision system for viewing over the roof of a motor vehicle includes three mirrors, one of which is a one-way mirror and two of which are conventional plane mirrors. The one-way mirror ... 2 comprises a one-way mirror 20, ... US Patent References:; Vehicle periscope; Sadler - July 1927 - 1635011;
www.freepatentsonline.com/3827788.html
A periscope-type rear view mirror apparatus for automobiles is disclosed. The apparatus includes a roof-top planar objective mirror positioned above an aperture formed in the roof of the driver's cham ... A periscope-type rear view mirror apparatus for automobiles is disclosed.
www.freepatentsonline.com/3950081.html
Effect of periscope reflecting mirror on uncertainty of measured temperature of an electron beam heated metal vapor source. B Dikshit, G R Zende, ...
www.iop.org/EJ/article/0957-0233/19/2/025103/mst8_2_025... www.iop.org/EJ/article/0957-0233/19/2/025103/mst8_2_025103.pdf
Film Video with Your MacBook or MacBook Pro with Huckleberry ... Compatibility Note: The Huckleberry mirror was designed to fit the previous version of the MacBook and MacBook Pro. It does not fit correctly on the new "Late 2008" MacBook and MacBook Pro. (Aluminum body with black screen bezel.)
www.ecamm.com/mac/huckleberry/
A periscope works by using two mirrors to bounce light from one place to another. A typical periscope uses two mirrors at 45 degree angles to the direction one desires to see. The light bounces from one to the other and then out to the persons eye.
www.madsci.org/posts/archives/may2000/959444445.Eg.r.ht... www.madsci.org/posts/archives/may2000/959444445.Eg.r.html
The light coming into the top of the periscope is reflected down the tube towards the second one. This is then reflected out of the periscope by the second mirror and towards you. Therefore you see the light that has come from higher up.
www.lightwave.soton.ac.uk/experiments/periscope/perisco... www.lightwave.soton.ac.uk/experiments/periscope/periscope.html