Here are the possible solutions for useful beam clue
Answer
Clue
Relevancy
laser
Clue
Useful beam
Definition
a source of high-intensity optical, infrared, or ultraviolet radiation produced as a result of stimulated emission maintained within a solid, liquid, or gaseous medium
aardvark
Clue
Useful picnic beast
Definition
(South African) a nocturnal, insectivorous, badger-sized mammal native to sub-Saharan Africa
absolutepitch
Clue
Useful musical ability
accio
Clue
“Harry Potter” spell useful for those constantly losing their keys
