Episode 27 - Threats From Space Pt 1 - Near Earth Objects

This week we cover the basics of Near Earth Objects, how we know about them, how often they might hit us, and the damage they can do.

Also, graphene bubbles and the EM Drive



Graphene Bubbles change color

colourchangingpixels

The EM Drive (again)

emdrive

Threats From Space - Near Earth Objects

NASA-JHUAPL
(NASA/JHUAPL)

Links for your informational needs
http://neo.jpl.nasa.gov/
https://en.wikipedia.org/wiki/Near-Earth_object
https://en.wikipedia.org/wiki/List_of_impact_craters_on_Earth#Largest_craters_.2810_Ma_or_more.29
http://www.space.com/33695-thousands-meteorites-litter-earth-unpredictable-collisions.html
https://www.nasa.gov/mission_pages/asteroids/overview/fastfacts.html
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