TIL the special effect in sci-fi movies of a 2D ring of energy or matter emanating from an explosion is called the 'Praxis Effect', named after the visual effect of the explosion
Praxis am Ring | Praxisgemeinschaft für manuelle Medizin, Osteopathie & Physiotherapie
Sterling silver or gold floral pattern ring – Praxis Jewelry
Praxis Works Wave Ring 42t 3-Bolt Direct Mount - Modern Bike
Praxis Works Forged Chainring Set - 130mm 39/53t - 5339-4004 - Walmart.com
Praxis Cold Forged Chain Ring set 130BCD | Bike Fitter Supply