Uploaded October 2016 | Updated September 2026, 1 week ago

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Of all the things we can actually see (directly), we say light is the only one that doesn't have mass. Is this true? How is this possible if it has energy?
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VIDEO ANNOTATIONS

Why do the Planets orbit in a Plane?
youtu.be/qFJ14DZfKG4

What is Inertia?
youtu.be/lZhjyP3-lME

Relativity & Gravity Complete Series:
youtu.be/a205YJsbBSQ

Bonds Do NOT Have Energy!
youtu.be/g39nwNm0Xfw

Mass? Energy? What's The Difference?
youtu.be/2jKHM92wbl4

The "Vacuum" of Space:
youtu.be/iSe_R87kF6U

Recent Vlog:
youtu.be/OA1T-cTDPLE
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** Randy Hukle **
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EXTRA INFO LINKS

Related Veritasium Video:
youtu.be/n_yx_BrdRF8

Related MinutePhysics Video:
youtu.be/NnMIhxWRGNw

SciShow Space Video on Kugelblitz:
youtu.be/gNL1RN4eRR8

Hydrogen Fusion:
en.wikipedia.org/wiki/Proton%E2%80%93proton_chain_reaction
http://hyperphysics.phy-astr.gsu.edu/hbase/astro/procyc.html
http://www.physics.sfsu.edu/~chris/astro300/lectures/lect20.pdf

Particles:
en.wikipedia.org/wiki/Proton
en.wikipedia.org/wiki/Alpha_particle

Solar Luminosity:
en.wikipedia.org/wiki/Solar_luminosity

Mass Energy Equivalence:
en.wikipedia.org/wiki/Mass%E2%80%93energy_equivalence

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COMMENTS ABOUT LIGHT

ashley hughes:
youtube.com/watch?v=qFJ14DZfKG4&lc=z12gc5hbjpq2yxwck22vthdomlejtdw33

A. Shafey & Nga Nguyen:
youtube.com/watch?v=2jKHM92wbl4&lc=z13kjxap2vumzfo4204cjxpprozxvv5ryuo0k

Chock Thirtytwo:
youtube.com/watch?v=pY66Hg0wuCo&lc=z12uxdfhvyrvtvsos04cfblzdkubths5if4

Commisar Aecun:
youtube.com/watch?v=m2-UJAEJzcc&lc=z13ljvngnpqzz5zdz235hfwqmquzzpcku

Ira Sanborn:
youtube.com/watch?v=lZhjyP3-lME&lc=z120ibliavmhh5udj22bfbf5hq2mjvolv

JustAditya:
youtube.com/watch?v=Vmi_h5A8B2k&lc=z13pwfzjsqykg5byx04cjnabtkeldrwyg3k

Required Taste:
youtube.com/watch?v=Vmi_h5A8B2k&lc=z12tijrxjnzcgla2i22duj0xuyvoflhfn

sudharsan vj:
youtube.com/watch?v=Sute9QjIRGA&lc=z13wep3gdnzpwvpeb235irgqclzmdbot1

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COMMENT RESPONSES

Scaling - Jesse LaJeunesse:
youtube.com/watch?v=qFJ14DZfKG4&lc=z12qvnmgfy3ofxj4404cflmqfu2zulraeis

Sun's Magnetic Field - nunya bisnass:
youtube.com/watch?v=qFJ14DZfKG4&lc=z12owlczdwz0wrcrs04cg3yx2y3xsbxg0g4

Gravity from Where? - Amy Soderstrom:
youtube.com/watch?v=qFJ14DZfKG4&lc=z13hspjwllnmxxuuq23eibygdqnvgpfyf04

Other Star Systems - K8UR Channel:
youtube.com/watch?v=qFJ14DZfKG4&lc=z123tdlywry2dzinh23wyxnqsqjbwxd4a04

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