WBallpoint pen
WCoach (carriage)
WCristóbal Carbine
WElectric motor
WFÉG 37M Pistol
WFET amplifier
WField-effect transistor
WGömböc
WHolography
WScience and technology in Hungary
WImpulse generator
WJankó keyboard
WJendrassik Cs-1
WKalman filter
WLadybird of Szeged
WLeonar3Do
WLow-level laser therapy
WMatch
WNeutron spin echo
WPetzval lens
WPrezi
WPuck puzzle
WRotary phase converter
WRubik's 360
WRubik's Cube
WRubik's Domino
WRubik's Magic
WRubik's Magic
WRubik's Snake
WSegner wheel
WTelefon Hírmondó
WThermographic camera
WTransformer
WTransistor
WThe Turk
WVariable capacitor
WWolfgang von Kempelen's speaking machine