Police investigating the shooting of UnitedHealthcare CEO Brian Thompson on Dec. 4, 2024, have announced that the suspected assailant had used a 3D-printed gun[1]. Several high-profile crimes[2] in recent years have involved this kind of homemade, or partially homemade, weapon.

Often called “ghost guns[3]” because they can be hard to trace,...

Authors: Staff

Read more

A physicist, a chemist and a mathematician walk into a bar. It sounds like the start of a bad joke, but in my case, it was the start of an idea that could reshape how scientists think about the history of the Moon.

The three of us were all interested in the Moon, but from different perspectives: As a geophysicist[1], I thought about...

Authors: Staff

Read more

cartoon image of a six-arm robot in an office with each arm doing a different task

Interacting with AI chatbots like ChatGPT can be fun and sometimes useful, but the next level of everyday AI goes beyond answering questions: AI agents carry out tasks for you.

Major technology companies, including OpenAI[1], Microsoft[2], Google[3] and Salesforce[4], have recently released or announced plans to develop and release AI agents....

Authors: Staff

Read more

a quadcopter with lights flying in dim light

The recent spate of unidentified drone sightings in the U.S., including some near sensitive locations such as airports[1] and military installations[2], has caused significant public concern.

Some of this recent increase in activity may be related to a September 2023 change in U.S. Federal Aviation Administration regulations that now allow drone...

Authors: Staff

Read more

More Articles …