US engineers craft 3D shapes from single sheets to control light and sound path. Story by Mrigakshi Dixit ... metamaterials possess unique characteristics not observed in naturally found materials.

Scientists from The Hebrew University of Jerusalem have created wood ink that can be extruded into flat wooden structures, self-morphing into complex 3D shapes as they dry and shrink.

Learn more about 3D shapes and nets with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

In a 2D the answer is two, and a 3D space can be tiled in shapes that have no corners at all, called soft cells. These shapes can be made in a few different ways, and some are shown here.

The new technique enables the generation of sharper, more lifelike 3D shapes — like these robotic bees — without the need to retrain or finetune a generative AI model. view more .

None of the shapes are 3D; you'll add that look in a later step. The cursor turns into a plus sign. Drag the cursor on the Word page to form the shape.

The process uses acoustic pressure to mold silica gel microspheres and other materials into complex 3D shapes. Pulling that off isn't easy. The team first had to learn how to create complex, ...