A periodically loaded waveguide made of discrete nonlinear gain and radiating elements makes an oscillator array that tends to operate at an exceptional point of degeneracy (EPD) after reaching ...

Piezoelectric ceramic hollow cylinders can be utilized to fabricate high-resolution rotation ultrasonic motor. 2 types of standing-wave motor based on coupled tangential-axial (TA) mode and ...

Hours after a massive 8.8 magnitude earthquake struck near the Russian coast, becoming one of the strongest tremors ever recorded, tsunami waves arrived in Hawaii and the U.S. West Coast following ...

Following an earthquake measuring 8.8 on the Richter scale, tsunami waves struck Russia's Kamchatka Peninsula and Japan on Wednesday. There are no reports of fatalities so far. Tsunami warnings ...

The quake, tied for the sixth strongest ever recorded, triggered tsunami warnings from Russia to Japan to Hawaii and the U.S. West Coast.

One of the most powerful earthquakes ever recorded has sent a tsunami crashing into a Russian port and smaller waves barreling across the Pacific to the Americas and south to New Zealand.

The tsunami advisory for Hawaii has been lifted after a massive earthquake off Russia’s far eastern coast put the region on high alert. Tsunami warnings for the US coastline and Japan were ...

TOKYO — One of the strongest earthquakes ever recorded struck off Russia’s sparsely populated Far East early Wednesday, sending tsunami waves into Japan, Hawaii and the U.S. West Coast. Several ...

TOKYO (AP) — Japan’s meteorological agency issued a tsunami alert for Japan’s Pacific coast, upgrading an earlier advisory stemming from the powerful, magnitude 8.0 quake that hit on ...