When a high-speed target travels through the Earth's atmosphere, a plasma sheath forms on the target surface due to thermal ionization. Through theoretical calculation and wind tunnel measurements, we ...

The electromagnetic characteristics of the reentry target in plasma sheath have been researched. The attenuation characteristics of electromagnetic wave in the plasma sheath for different frequency ...

The gold-plated sheath has nine sides and measures about 1 foot in length, officials said. It was made in Japan between 550 and 650 and originally used to cover the blade of a long-handled spear.

The gold-plated sheath has nine sides and measures about 1 foot in length, officials said. It was made in Japan between 550 and 650 and originally used to cover the blade of a long-handled spear.

The gold-plated sheath has nine sides and measures about 1 foot in length, officials said. It was made in Japan between 550 and 650 and originally used to cover the blade of a long-handled spear.

The gold-plated sheath has nine sides and measures about 1 foot in length, officials said. It was made in Japan between 550 and 650 and originally used to cover the blade of a long-handled spear.

Researchers did X-rays and CT scans of a 1,300-year-old sheath from an island in Japan and revealed the unique blade inside, photos show. Photo from the Munakata-Okinoshima and Associated Heritage ...

Myelin sheath protein changes linked to impaired nerve signaling in Alzheimer's disease by Isabella Backman, Yale School of Medicine edited by Lisa Lock, reviewed by Robert Egan Editors' notes ...

At a June 12 ribbon-cutting event, Princeton Plasma Physics Laboratory unveiled a new, one-of-a-kind device that represents the next generation of research into fundamental plasma physics. The ...