BRAIN CANDY LIVE www.braincandylive.com/tickets
THE VSAUCE CURIOSITY BOX: www.curiositybox.com/
Links to sources and to learn more below!

my twitter twitter.com/tweetsauce
my instagram www.instagram.com/electricpants

Thanks to Eric Langlay (https://www.youtube.com/user/ericdraven30) for producing, editing, and animating this episode with me. Thanks also to Henry Reich (https://www.youtube.com/user/minutephysics) for his advice and guidance.

Universe Sandbox²: universesandbox.com/

Mass vs weight:

en.wikipedia.org/wiki/Mass_versus_weight
Great Veritasium video: www.youtube.com/watch?v=_Z0X0yE8Ioc
two other great videos: www.youtube.com/watch?v=6ccIjRwYO9U and www.youtube.com/watch?v=aCqQzrPCcFM

baseballs coming together under gravitational attraction can be simulated in Universe Sandbox 2. More math behind it can be found here: www.reddit.com/r/explainlikeimfive/comments/2vyxl7/eli5_will_two_baseballs_a_foot_apart_in_deep/

Weight to mass (on surface of Earth) convertor: www.convertunits.com/from/kilograms/to/newton

pencil and Earth falling numbers: www.quora.com/When-we-drop-a-pencil-the-earth-attracts-it-and-it-seems-that-the-pencil-is-falling-towards-earth-Why-doesnt-the-earth-come-up-towards-the-pencil

NASA HD footage: archive.org/details/NASA-Ultra-High-Definition

Buoyancy: en.wikipedia.org/wiki/Buoyancy

Earth’s spin and its effect on ‘down’: www.freemars.org/jeff/Earth/down.htm

The measurement of Earth and its gravity:

en.wikipedia.org/wiki/Geodesy
en.wikipedia.org/wiki/Physical_geodesy

Movement of Earth’s center of mass:

www.aiub.unibe.ch/research/slr_data_analysis/estimating_the_geocenter_and_earth_rotation_parameter/index_eng.html
www.massentransporte.de/index.php?id=307
citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.650.4392