Real rays have two sets of muscles within each pectoral fin, pulling in opposite directions to move a fin down, then up.
The dynasore-mediated impairment of endosomal motility may be due to the two motors pulling in opposite directions to produce the force required for fission [36].
> In the construction of the phenome interactome network, we convert an undirected association between diseases and genes into two directed edges in opposite directions to allow for unrestricted information transmission in both directions.
This position is achieved by pointing the tips of the skis outward in opposite directions to create a V shape.
In the basic twisted rope structure, alternate stages are twisted in opposite directions to give torsional stability.
O'Neill's vision comprised two concentric cylinders (round forms, again), spinning in opposite directions to generate gravity, and on which each person would be allotted five acres of land.
The rotors turn in opposite directions to cancel out torque, the twisting action which requires conventional helicopters to use a tail rotor a hazardous appendage.
Jane Nzembi sells cereals to mothers cooking dinner; she holds cobs of corn with both hands and twists them in opposite directions to strip off the husks.
The collider accelerates protons along the track in opposite directions to nearly the speed of light, and each second slams millions of them together in head-on collisions.
The Invention in E moves at a slow but steady pace, allowing the syncopations between the two lines, which almost always move in opposite directions, to come through playfully.
The roof was also raised six feet with twin shed roofs, sloping in opposite directions to create a butterfly roof, an emblem of the modernist beach houses of the 1960's and 70's.
