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whats wrong with you men? who can resist a three year od welshgirl? cute cute cute. (but not in a jimmy saville sort of way, obviousely. IL bring the old avi back.
Originally posted by PurpleVortex
whats wrong with you men? who can resist a three year od welshgirl? cute cute cute. (but not in a jimmy saville sort of way, obviousely. IL bring the old avi back.
I like them both tbh...But I liked your default pic the best. Don't beat me up please
tell me how to mend my neck, and il let you off.
Originally posted by thedoctorswife
Its very very painful, and the neckpain is shooting into the right side of my head, and ive got this constant headache.
Im using a heat pack and a ice pack, and freeze spray as well as cocodamol i cant use ibuforen gel, because im allergic to it.
God, please could someone help me, this is awful.
thanking in advance.
Elementary descriptionSpatial vectors alone are not sufficient to describe fully the properties of rotations in space.
A coffee cup with bands attached to its handle and opposite side.Consider the following example. A coffee cup is suspended in a room by a pair of elastic rubber bands fixed to the walls of the room. The cup is rotated by its handle through a full twist of 360°, so that the handle is brought all the way around the central vertical axis of the cup and back to its original position.
Note that after this rotation, the cup has been returned to its original orientation, but that its orientation with respect to the walls is twisted. In other words, if we lower the coffee cup to the floor of the room, the two bands will coil around each other in one full twist of a double helix. This is an example of orientation entanglement: the new orientation of the coffee cup embedded in the room is not actually the same as the old orientation, as evidenced by the twisting of the rubber bands. Stated another way, the orientation of the coffee cup has become entangled with the orientation of the surrounding walls.
Clearly the geometry of spatial vectors alone is insufficient to express the orientation entanglement (the twist of the rubber bands). Consider drawing a vector across the cup. A full rotation will move the vector around so that the new orientation of the vector is the same as the old one. The vector alone doesn't know that the coffee cup is entangled with the walls of the room.
In fact, the coffee cup is inextricably entangled. There is no way to untwist the bands without rotating the cup. However, consider what happens instead when the cup is rotated, not through just one 360° turn, but two 360° turns for a total rotation of 720°. Then if the cup is lowered to the floor, the two rubber bands coil around each other in two full twists of a double helix. If the cup is now brought up through the center of one coil of this helix, and passed onto its other side, the twist disappears. The bands are no longer coiled about each other, even though no additional rotation had to be performed. (This experiment is more easily performed with a ribbon or belt. See below.)
Untwisting a ribbon without rotation.Thus, whereas the orientation of the cup was twisted with respect to the walls after a rotation of only 360°, it was no longer twisted after a rotation of 720°. By only considering the vector attached to the cup, it is impossible to distinguish between these two cases, however. It is only when we attach a spinor to the cup that we can distinguish between the twisted and untwisted case.