There are also worry stones made from different crystals that you can keep in your pocket to relieve stress on the go. So, ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more Whether you believe in their healing properties or admire their natural beauty, there have never been ...

They created "photonic space-time crystals" by integrating photonic time crystals made of silicon spheres that "trap" and hold light longer than had previously been possible. The light then reacts ...

Through intricate shapes like spheres, pyramids ... where introspection and insight are desired. Carved crystal hearts are ...