Characterizing nanoparticles in the 1880’s

Characterizing nanoparticles in the 1880’s

On May 29th, there were 52,000 nanoparticles per cubic centimeter of air measured at the top of the Eiffel Tower. This may not seem the most compelling opening to an article, until you realize that the measurement was made in 1889 – over 100 years before nanotechnology and nanoparticles began hitting headlines as one of the most talked about emerging technologies in recent decades. The particles were measured by the Scottish scientist John Aitken, using his newly developed device for counting airborne dust particles.

A new home for Risk Innovation

A new home for Risk Innovation

Five years ago, I joined the University of Michigan School of Public Health as Director of the U-M Risk Science Center. It’s been a good five years. However, last year, the good folks at Arizona State University made me an offer I couldn’t refuse – the opportunity to expand substantially my work on risk and innovation, at one of the most exciting and progressive universities in the U.S.