This article was originally published with the title “ Circular Motion and Rectilinear Motion ” in Scientific American Magazine Vol. 21 No. 17 (October 1869), p. 265 doi:10.1038 ...

Near-rectilinear halo orbits are members of the Earth-Moon L1 or L2 halo orbit families and are characterized by favorable stability properties. As such, they are strong candidates for a future ...

By contrast, rectilinear biphasic defibrillators deliver a positive charge for half of the shock and a negative charge for the rest, requiring less energy (150-200 joules) to restore cardiac rhythm.