The development of the Don-2N was a significant engineering feat, requiring advanced materials, precise manufacturing, and ...

China Post issued special postage stamps on Dec 7 to celebrate the 2022 Winter Olympics, which are designed not in the regular quadrangle shape but feature distinctive octagonal angles and sides.

The depressor labii inferioris, also called the quadratus labii inferioris because of its quadrilateral shape, is a facial muscle. It is a paired facial muscle, which means that one muscle ...

Crows have a sense of geometric intuition much like our own, a new study reveals. They can detect the 'odd one out' in a set of geometric shapes, and have an affinity for geometric regularity – shapes ...

Unambiguous test results The birds had never seen these quadrilateral comparisons before, and yet, when tested, they performed far above chance. On their very first try with the quadrilateral shapes, ...

We tested perturbing shape by grafting body sections in varying configurations. Testing these perturbations confirms the moon jellies’ ability to recover their round shape from many perturbations.

Unlike right-angled quadrilaterals, which have unique shape, testing area accuracy of the 264 irregular quadrilaterals is more problematic because, without side-angle data, these can vary in shape, ...

Trivia junkies may be drawn to Nepal’s flag for its non-quadrilateral shape. But the flag is also studied by mathematicians. “It’s the nerdiest mathematical flag that is out there,” Kaye adds.

It’s a go-to question at bar trivia: what is the only national flag in the world that isn’t rectangular or square? The answer is Nepal. But beyond the simple fact of its uncommon shape, Nepal ...