Articles by Avi Harel

Avi Harel is a mathematician with thirty years of expertise in user interface design and development. Avi is the inventor of ErgoLight patents and award-winning software tools for incorporating human factors in system design ( Articles.html). Avi is the founder and active manager of ErgoLight Ltd. (

Alarm Reliability: What If an Alarm Goes Off and No One Hears It?

The challenge for sound designers of control programs is to enable carefree interaction so that the users do not need to worry about missing sound alarms. [Read More]