If there’s anything Star Trek taught us about futuristic health care in space, it would be that a hypospray is a doctor’s best friend. A needleless way to deliver life-saving medicines — and, at one point, help Captain James Kirk (William Shatner) fake his own death — through a gentle spurt of pressurized air or liquid, the hypospray gets deployed routinely in Federation sickbays, away missions, and humanitarian excursions.
