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When you ask people to name a few cutting-edge technologies, they’ll probably mention artificial intelligence, quantum computing, autonomous vehicles, perhaps synthetic biology… but probably not welding. But while welding usually doesn’t make front page headlines, it has many interesting facets. It involves materials science, robotics, metallurgy, and, yes, machine learning. And you need welding for making all kinds of things: buildings, for example; bicycles, ships, aircraft, cars, kitchenware, power plants, turbines, body implants, textiles–and rockets.

Welding: What's new? And what does it have to do with going to the Moon?

Canadian researchers have discovered that they can stick hydrogel plasters to the skin very effectively using ultrasound. Outi Supponen has now explained the underlying mechanism: imploding bubbles that form within the adhesive located between the plaster and the skin anchor the one on the other.

Strong adhesion thanks to cavitation bubbles

Magnetism is a force exerted by charged particles in motion that allows them to attract/repel other moving charged particles. The universal phenomenon is responsible for shaping the world as we know it.

What is Magnetism? Examples of Magnetic Substances

Carnegie Mellon engineering researchers develop a groundbreaking process to 3D print tiny microscale ice structures for applications in biomedical engineering, advanced manufacturing, and possibly in art.

3D printing ice