Actively reducing noise by ionizing air

Did you know that wires can be used to ionize air to make a loudspeaker? Simply put, it's possible to generate sound by creating an electric field in a set of parallel wires, aka a plasma transducer, strong enough to ionize ...

What is the Fluidic Telescope?

The Fluidic Telescope (FLUTE) project team, jointly led by NASA and Technion–Israel Institute of Technology, envisions a way to make huge circular self-healing mirrors in-orbit to further the field of astronomy. Larger ...

How do bacteria evolve in the gut over the course of a year?

Our bodies go through several changes throughout our lives. The same happens with the microbes that live with us. After all, these make up a big portion of the cells in our organism. But, in comparison with the cells that ...

A treasure map for the realm of electrocatalysts

High entropy alloys (HEAs) are chemically complex materials made up of mixtures of five or more elements. What's interesting about them is that they offer completely new possibilities for the development of electrocatalysts. ...

Making music from spider webs

Spiders are master builders, expertly weaving strands of silk into intricate 3D webs that serve as the spider's home and hunting ground. If humans could enter the spider's world, they could learn about web construction, arachnid ...

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