Friday, December 9, 2011

Lights at Work

I work in the parking kiosks on campus (yes, I'm one of those guys) and was working late last night in one when I saw some interesting lights. As you may know, the kiosks all have glass on every side, and there is a rearview-esque mirror so I can see cars behind me. When it gets dark out the only way I can see anything outside the kiosk is from the car lights. What's interesting is the lights from the car make an optical illusion from my perspective. As I look straight ahead I see lights seemingly headed toward me, but in fact they are from cars behind me. What is happening is the lights from behind shine through the glass behind me and reflect on the front glass, so it looks like the lights are headed straight at me. While I appreciate how cool this is from a lighting perspective, it is inconvenient as I stand up everytime I think a car is coming through and I end up standing way more times than I need to...and I get tired...

I'm at work again right now so I will be able to see this illusion again tonight!

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