error ", ▁in ▁which ▁he ▁introduced ▁the ▁Rom ul an ▁species . ▁( He ▁like wise ▁predicted , ▁in ▁the ▁same ▁episode , ▁that ▁in visibility , ▁" select ive ▁b ending ▁of ▁light " ▁as ▁described ▁above , ▁would ▁have ▁an ▁enorm ous ▁power ▁requirement .) ▁Another ▁Star ▁Tre k ▁screen writer , ▁D . C . ▁Font ana , ▁co ined ▁the ▁term ▁" clo aking ▁device " ▁for ▁the ▁ 1 9 6 8 ▁episode ▁" The ▁Enter prise ▁Inc ident ", ▁which ▁also ▁featured ▁Rom ul ans . ▁ ▁Star ▁Tre k ▁placed ▁a ▁limit ▁on ▁use ▁of ▁this ▁device : ▁to ▁fire ▁at ▁another ▁ship , ▁a ▁clo aked ▁space ▁vessel ▁must ▁" dec lo ak ." ▁ ▁Writ ers ▁and ▁game ▁design ers ▁have ▁since ▁incorpor ated ▁clo aking ▁devices ▁into ▁many ▁other ▁science - f iction ▁narr atives , ▁including ▁Doctor ▁Who , ▁Star ▁Wars , ▁and ▁St arg ate . ▁ ▁Scient ific ▁experiment ation ▁An ▁oper ational , ▁non - f ict ional ▁clo aking ▁device ▁might ▁be ▁an ▁extension ▁of ▁the ▁basic ▁techn ologies ▁used ▁by ▁ste alth ▁aircraft , ▁such ▁as ▁rad ar - abs or bing ▁dark ▁paint , ▁optical ▁cam ou fl age , ▁cool ing ▁the ▁outer ▁surface ▁to ▁minim ize ▁elect romagnet ic ▁em issions ▁( us ually ▁inf ra red ), ▁or ▁other ▁techniques ▁to ▁minim ize ▁other ▁EM ▁em issions , ▁and ▁to ▁minim ize ▁particle ▁em issions ▁from ▁the ▁object . ▁The ▁use ▁of ▁certain