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Published on 26 Feb 2015 | about 1 year ago

If you were driving at the speed of light and turned on your headlights, what would happen?
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Sources and extras below!!

Thanks to Jude for asking me this question on twitter! twitter.com/stefanikj5/status/550865272895447041

“The Life of the Cosmos” by Lee Smolin: www.amazon.co.uk/The-Life-Cosmos-Lee-Smolin/dp/0195126645
“In Search of the Multiverse” by John Gribbin: www.amazon.co.uk/In-Search-Multiverse-John-Gribbin/dp/0141036117
“The Pig That Wants to be Eaten: by Julian Baggini: www.amazon.co.uk/The-Pig-That-Wants-Eaten/dp/1847081282

Relevant MinutePhysics videos:

www.youtube.com/watch
www.youtube.com/watch
light slowing down in glass: www.youtube.com/watch
a different perspective from Sixty Symbols about light slowing down: www.youtube.com/watch

Why is “c” the speed of light?

math.ucr.edu/home/baez/physics/Relativity/SpeedOfLight/c.html

Car at light speed:

www.sydneyobservatory.com.au/2010/what-happens-when-a-car-travelling-near-the-speed-of-light-turns-on-its-headlights/
van.physics.illinois.edu/qa/listing.php
www.scienceforums.net/topic/82191-i-am-driving-my-car-at-the-speed-of-light-and-i-turn-on-my-headlights-what-do-i-see/
www.desy.de/user/projects/Physics/Relativity/SpeedOfLight/headlights.html

Light speed is the same in all inertial frames of reference:

www.physlink.com/Education/AskExperts/ae558.cfm
van.physics.illinois.edu/qa/listing.php
hyperphysics.phy-astr.gsu.edu/hbase/relativ/mmhist.html

Relativistic addition of velocities:

demonstrations.wolfram.com/EinsteinsFormulaForAddingVelocities/
cnx.org/contents/e3a41220-af3f-40c6-b8ba-1a5d1bcbed92@6/Relativistic_Addition_of_Veloc

doppler shift:

commons.wikimedia.org/wiki/File:XYCoordinates.gif

Relativity:

www.refsmmat.com/jsphys/relativity/relativity.html
http://www.astro.virginia.edu/~jh8h/Foundations/quest7.html

Light speed and catching-up to light.

http://www.pitt.edu/~jdnorton/Goodies/Chasing_the_light/
math.ucr.edu/home/baez/physics/Relativity/SpeedOfLight/speed_of_light.html
www.askamathematician.com/2010/11/q-what-would-you-experience-if-you-were-going-the-speed-of-light/
scienceline.ucsb.edu/getkey.php
van.physics.illinois.edu/qa/listing.php

Other good relativity resources: newt.phys.unsw.edu.au/einsteinlight/

Light echo footage: www.spacetelescope.org/videos/heic0617a/

“fine-tuned” universe:

io9.com/5989467/how-does-the-anthropic-principle-change-the-meaning-of-the-universe
en.wikipedia.org/wiki/Fine-tuned_Universe
rationalwiki.org/wiki/Anthropic_principle

Irrational numbers: mathworld.wolfram.com/IrrationalNumber.html

a million digits of pi: www.piday.org/million/

THERE'S MORE VSAUCE!!

Vsauce2: www.youtube.com/Vsauce2
Vsauce3: www.youtube.com/Vsauce3

animated drawings by Guy Larsen twitter.com/guylar
rocketship animation by Eric Langay twitter.com/ericlanglay

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