angles

The space between two lines that start from a common point.


autonomously

Autonomous means that the person or thing is able to make its own decisions.


axle

The connector (or bar/shaft) between two or more wheels.


Discover

to seek out, to find out, to learn of


information

knowledge gained through study, learning, or understanding


jiggle

wiggle or gently push in a bunch of different directions to squeeze something into a hard to squeeze into spot


Manipulate

to move, rearrange, or operate


Mindstorms

the name given to Lego's robot building system

http://mindstorms.lego.com/en-us/


navigate

to direct, to manage, to guide


obstacle

something that is in the way, something to overcome


orientation

direction that an object is pointed in


persistent

to keep on, lasting


servo-motor

a motor that controls or creates mechanical action


surroundings

what is around, the environment


Ultrasonic

frequencies above what is audible for hearing, in our case with lego, it sends out a wave of signals, when this wave is reflected differently than what is anticipated, it knows that something is there.