When foams collapse (and when they don't)

Researchers from Tokyo Metropolitan University have revealed how liquid foams collapse by observing individual collapse events with high-speed video microscopy. They found that cracks in films led to a receding liquid front ...

COVID-19 is another wake up call for food security

With lockdowns ordered to contain the COVID-19 pandemic—that has reached 183 countries, infected over 1.7 million people and caused over 100,000 deaths—there are fears of food shortages caused by panic buying and supply ...

Fly me (partway) to the moon

Last week, scientists from the National Institute of Standards and Technology (NIST), the National Aeronautics and Space Administration (NASA), the United States Geological Survey (USGS) and the University of Guelph sent ...

Can a Wi-Fi network ever be completely secure?

There are many ways in which hackers and crackers can break into a Wi-Fi network. It is trivial if the network uses out of date security protocols or weak passwords. But even if the system is setup with the latest security ...

Why the Internet hasn't killed off books

We stand amazed by the vitality of printed books, a more than 500-year-old technique, both on and offline. We have observed over the years all of the dialogue which books have created around themselves, through 150 interviews ...

page 1 from 3