Skip to main content

Reset your password

Please enter the e-mail address you used to register to reset your password

Note: The verification e-mail to change your password should arrive immediately. However, in some cases it takes longer. Don't forget to check your spam folder.

If you haven't received the e-mail in 24 hours, please contact customerservices@ioppublishing.org

Registration complete

Thank you for registering with Physics World
If you'd like to change your details at any time, please visit My account

Close
Pollution

Pollution

Ammonia emissions can drive urban smog formation

03 Jun 2020
Atmospheric inhomogeneities
An illustration of atmospheric inhomogeneities in a megacity, showing “large eddy simulations” of Hong Kong superimposed on a composite London skyline. The resulting inhomogeneities in ammonia and nitric acid vapours can drive particle growth rates to up to more than 100 times faster than previously seen. (Courtesy: Helen Cawley)
Nitric acid and ammonia vapours can condense onto new aerosol particles and rapidly accelerate their

You’ve reached the limit of what you can view on Physics World without registering

If you already have an account on Physics World, then please sign in to continue reading

If you do not yet have an account, please register so you can

  • Access more than 20 years of online content
  • Choose which e-mail newsletters you would like to receive

Michael Allen is a science writer based in the UK
Read previous

Dynamic stimulation of visual cortex lets blind people 'see' shapes
Read next

Cyanobacteria and nanomaterials give solar cell a boost

Discover more from Physics World

Related jobs

Related events

Copyright © 2024 by IOP Publishing Ltd and individual contributors