Here are two examples of Science Fiction becoming Science Fact. Point Defense / Close In Weapon Systems using Lasers/Directed Energy Weapons. One model is for defending ships. The other is for mounting on trucks and shooting down raiders, I mean drones.
http://www.wired.com/dangerroom/2010/05/navys-drone-death-ray-takes-out-targets-at-sea/
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Here's a pic of Big Dog:
http://singularityhub.com/wp-content/uploads/2011/04/Big-Dog.jpg
Diagram of Big Dog:
http://fizmarble.com/wordpress/wp-content/uploads/2012/08/Boston-Dy...
Here's a pic of the Two Legged Terminator / Cylon Toaster model:
http://1.bp.blogspot.com/-aRoxlna4zbo/TrGt_iIXxYI/AAAAAAAAGAk/WJF4S...
Here are GOBS of videos showing Big Dog in action:
http://www.bing.com/videos/search?q=big+dog+robot&qs=VI&for...
Here's video of the Two Legged Terminator / Cylon Toaster model:
https://www.youtube.com/watch?v=qv8HJNmFFV0
Have you seen what they're doing with walking drones? They've got stuff like Big Dog or the Mule that walks increadibly well...It's really sort of cool and creepy at the same time to watch. The software and sensors make it learn to walk on its own, so at first it fumbles like a new born calf, but later, it's increadibly agile, walking over logs, rocks, up and down steep hills, etc. They're also working on a human like two legged version. Real Terminator / Toaster Cylon type stuff! After watching what I have...I can say that I really would prefer something like be on OUR side, because it would really freak you out to have one of those suckers after you...relentlessly, non-stop, never resting, steadily plodding toward you. Anyway, you'd need a big gun to "kill" it. Also, if you tump them over they recover and keep on plodding...No idea if they can untangle them selves if you pull a Star Wars anti-Walker hogtie'em maneuver or something like that.
:o)
JDF