truth written on the heart

Double base propellants often require ignition pressures of as much as 400 psia to avoid the problem of chuffing or hangfires.

[T]he many still would cling / To toil and tears—to life and suffering; / And some, whose anguish might not brook to wait / That shunless doom, plunged headlong to their fate: […]

A bad spatial sampling of the field could in this case miss the focal minimum and misinterpolate the field.