4Silence wins Accenture Innovation Award
A prestigious award that has been awarded to the Whisstone. We are proud!
Article in the Volkskrant about the construction of the Whisstone in Hummelo
“The first noise reductive ‘ribbelstrook’ in the world has been implemented on Wednesday. Next to the new N314 in Hummelo reinforced concrete deflect the traffic […]
4Silence receives Young Technology Award
Ysbrand and Eric proudly accept the Young Technology Award.
Motor drivers test diffractors
The motor drivers action group tested the Whisstone.
Interview in the FD with Eric & Ysbrand about the invention of the Whisstone
An interview in the financial newspaper about the invention of the Whisstone with Eric de Vries and Ysbrand Wijnant from 4Silence.