Internet

Discord, a prime ground for online 'rebels'... and leaks?

It is perhaps no accident that a trove of sensitive US documents reportedly ended up in a chat room on Discord, one of a small group of platforms that are widely seen by experts as natural haunts for online renegades.

Machine learning & AI

Video: A new generation of AI assistants

In this video, DARPA program manager Dr. Bruce Draper describes the technology he thinks could usher in the next "do-it-yourself" revolution.

Energy & Green Tech

Self-cooling tent runs using just water and sunshine

For many avid outdoorspeople, summertime and camping go hand in hand. But as climate change continues to drive summer temperatures higher, outdoor recreation could become less relaxing—and cooling technologies like fans ...

Security

Cyberattacks: Bigger, smarter, faster

From paralysing the internet in Estonia to a $4.4-million ransom being paid last week after the shutdown of a major US pipeline, we take a look back at 15 years of cyberattacks.