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 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 ...

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.

Analytic expressions have been found from different time-averaged and dynamic models for the electrode sheath width in a capacitively driven RF discharge. The sheath widths predicted from all the ...

Lymphatic filariasis has undergone a remarkable transformation in India, evolving from a neglected tropical disease to a national priority. This shift is largely attributable to the consistent policy ...