Alertness Testing by BLT

A quick test for alertness? We have that. Let us know what you need for your worksite or group.

That remains true but Bowles-Langley Technology, Inc. has now merged with Predictive Safety, LLC. Together we can offer our customers significant new resources and support. Please check the contacts page for inquiries and support.

Recent News


To the Oregonian

This article which I submitted to the Oregonian was not published. However it outlines some of the current issues facing legislators on the issue of worker testing. Clearly my article is promoting BLT technology, it’s an Op/Ed piece after all. The proposed new law was shelved. An Oregonian editorial, “Don’t Make a Bad Marijuana Law […]


Sleep Trial

The sleep deprivation trial is complete. Aside from a couple of server problems it went exceedingly well. The trial was conducted at Anneke Heitmann’s excellent lab at her Awake! Institute. During this trial subjects were kept awake for two nights (they were allowed a two hour nap on the second day.) Subjects were wired for […]


Union County Accident

It is not my intent to have this blog focus exclusively on individual accidents. However this one in Union County, Florida was one many people followed to try to understand the cause. Here is an extract of a newspaper article from the Gainsville Sun that explains: “Under rules that take effect in October [2007], a […]


Fatigue and other Factors

Driver fatigue is estimated to be the cause of 100,000 highway crashes and 1,500 deaths each year. We would suggest the number attributed to fatigue could be much higher if driver fatigue were to be counted as a contributing condition. Nevertheless the numbers are daunting. FATALITIES AND INJURIES Overall: The U.S. Department of Transportation’s Fatal […]


Near Miss with Tired Pilots

Airline pilots flying while fatigued poses risk to safety 27 June 2007 A BBC News investigation has revealed growing concerns among airline pilots that fatigue is leading to potentially dangerous incidents in the air. The BBC has heard from 32 pilots who say they have flown while unfit due to fatigue. The BBC can reveal […]

BLT is a unique company dedicated to providing new solutions for assessing human performance. Our technologies draw on a wide range of management experience and scientific knowledge to provide customers with solutions that are practical, understandable and useful.