Peering inside 3D chaotic microcavities with X-ray vision

In the world of optics, tiny structures called microcavities—often no wider than a human hair—play a crucial role in ...
Tech Xplore on MSN

3D worlds created from just a few phone photos

Existing 3D scene reconstructions require a cumbersome process of precisely measuring physical spaces with LiDAR or 3D scanners, or correcting thousands of photos along with camera pose information. A ...

Antarctic expedition to find Endurance shipwreck made surprising seafloor discovery

The search for a famed polar exploration shipwreck led researchers to discover geometric patterns created by fish on the ...
Quanta Magazine

First Shape Found That Can’t Pass Through Itself

After more than three centuries, a geometry problem that originated with a royal bet has been solved. Imagine you’re holding two equal-size dice. Is it possible to bore a tunnel through one die that’s ...
The Autopian on MSN

What It Was Like Driving The 2025 Polestar 4, A Good Car With No Rear Window And Bad Vents

In early July, Polestar invited the members of the North American Car, Truck and Utility Vehicle of the Year (NACTOY) jury to ...

Now home to Sotheby’s, the Breuer building remains a brutalist masterpiece

The beloved concrete monolith gets an extensive revamp courtesy of Herzog & de Meuron, preserving a spectacular New York ...
Hackaday

Teaching Math With 3D Printers

We’ve often thought that 3D printers make excellent school projects. No matter what a student’s interests are: art, software, electronics, robotics, chemistry, or physics, there’s something for ...
BBC

Circumference and arc length

When working with circles it is important to recognise and be able to name different parts of the circle. A segment of a circle is an area enclosed by a chord and an arc. What is the name given to a ...