Like so many bully regimes before it, the Islamic State has a talent for propaganda. A big part of that effort is documenting the destruction of everything from architecture to artifacts, even if they’re unwittingly destroying replicas. In Iraq, the cultural heritage is real—and so is the threat.
If you think your gear runs out of juice at inopportune moments, consider the infantrymen of the world, whose lives depend on their gadgets maintaining a charge. Thus the MetalCell, a magnesium-based battery that charges with salt water. Or urine.