A novel slot antenna that consists of an H-shaped slot encompassed by a rectangular metallic wall and a pair of C-shaped slots outside the wall is proposed. It features a unidirectional pattern, small ...

Monitor lizards extract oxygen both when they inhale and exhale, perhaps explaining why they are so successful as a species A lizard captures oxygen from air both when inhaling and exhaling—a feat ...

New research addresses some of the technical issues that still need to be solved for 3D printed concrete to be strong enough for use in more free-form structures. Researchers found lobster-inspired ...

Take a deep breath in. Slowly let it out. You have just participated in one of the most profound evolutionary revolutions on Earth--breathing air on land. It's unclear how the first vertebrates ...

Study shows that bio-mimicking spiral patterns inspired the natural strength of lobster shells can improve the overall durability of 3D printed concrete New research shows that patterns inspired by ...