Science & Technology

A ‘potalyzer’ for roadside marijuana tests

As the breathalyzer does for alcohol, this experimental ‘potalyzer’ could provide a practical field test for determining whether a driver might be impaired from smoking marijuana.  

Speech recognition faster at texting

Smartphone speech recognition software is not only three times faster than human typists, it's also more accurate. The researchers hope the revelation spurs the development of innovative applications of speech recognition technology.