Researchers at Westlake University have disclosed a two-dimensional (2D) mechanically interlocked polymer (MIP) that mimics medieval chainmail at the molecular scale. This micrometer-scale 2D ...

Our WSJ Crossword May 8, 2025 answers guide should help you finish today’s crossword if you’ve found yourself stuck on a ...

While the classic Round Brilliant continues to reign supreme as the most sought-after diamond shape for engagement rings nationwide, shifting tastes are giving rise to new favorites. Across the U ...

The perimeter is the distance around the outside of a 2D shape. The distance can be measured in units like millimetres, centimetres, metres and kilometres. To work out the perimeter, add up the ...

Subtract the area of this square from the rectangle. Break the shape into two squares and a rectangle. Calculate the area of each shape. \(4 \times 4 = 16~\text{cm}^2\), \(4 \times 4 = 16~\text{cm}^ ...

The ancient Chinese sport of dragon boat racing is one of the fastest-growing sports worldwide. In Ireland, the first club was set up in 2020 in Dublin. But for many it is more than just a sport ...

This file provides functions and modules that construct shapes from a list of cross sections ... can be specified either as a list of 3d curves or they can be specified as 2d curves with heights given ...