Explore the process of building an underground slide leading to a swimming pool, and the creation of an underwater temple swimming pool using ancient skills. Learn about combining natural living ...

Abstract: Polarization navigation is an emerging autonomous navigation technology suitable for unmanned underwater vehicles (UUVs). Nonetheless, light refraction poses challenges for underwater ...

This video explains why sunset diving carries increased risk. Light fades faster underwater than expected. Visibility drops and orientation becomes harder. Exit points become less obvious. Calm ...

These light up paper circuit cards were much easier to make than I expected and only need a few inexpensive materials. They're a great way to learn about circuits and electricity. You can make a ...

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

Abstract: Since underwater images are seriously degraded due to the attenuation of light, artificial light (AL) is often used to assist photography in underwater. However, the normal underwater ...