disposable silent mortar
1Coilgun — Gauss gun redirects here. For fictional weapons of this type, see electromagnetic projectile devices (fiction). Not to be confused with railgun. Simplified diagram of a multistage coilgun with three coils, a barrel, and a ferromagnetic projectile …
2List of retronyms — This is a list of retronyms, which are terms renamed after something similar but newer has come into being.NounsA B; Acoustic guitar : Before the invention of the solid body electric guitar, all guitars amplified the sound of a plucked string… …
3Crickets as pets — A pet cricket and his container made of a gourd. Watercolor by Qi Baishi (1864–1957). Keeping crickets as pets emerged in China in early antiquity. Initially, crickets were kept for their songs (stridulation). In the early 12th century the… …
4Heckler & Koch G3 — G3 G3A3 Battle Rifle Type Battle rifle Place of origin …
