When your muscles feel tight and sore, a foam roller can be your best friend. Foam rolling is a type of self-myofascial therapy that's become a go-to for athletes and fitness enthusiasts alike.
Polyester and memory foam are occasionally found in mattress pads as well. Polyester is usually durable and affordable, while a memory foam mattress pad responds to heat and contours to the shape ...
Besides stars, the United States Navy uses quasars as beacons. Quasars are distant galaxies with supermassive black holes, surrounded by ... X-Ray Flashes from a Nearby Supermassive Black Hole ...