Abstract: A new analytical method for 3-D target localization based on a four-element ultrasonic sensor array is proposed. In the sensor array, with the consideration of good real-time performance, ...

Abstract: In this paper, an effective finite element method is developed and studied for the Maxwell eigenvalue problem with a radial inhomogeneous medium in a ball. The primary idea is to expand the ...

Timi is a news and deals writer who's been reporting on technology for over a decade. He loves breaking down complex subjects into easy-to-read pieces that keep you informed. But his recent passion ...

Egyptian archaeologists located a lost 3,500-year-old cemetery containing mummies and statues—among other discoveries. They found a “Book of the Dead” papyrus scroll measuring over 43 feet long—a rare ...

More than 50 years after the Apollo 17 Moon rocks returned to Earth, researchers are still uncovered surprising new details about their composition. Reading time 3 minutes Science has come a long way ...

Black Ops 6 Season 5 offered a boatload of content at launch, from new weapons like the ABR A1 to the arrival of 6v6 maps like W.M.D. and Exchange. However, the Reckoning may be the biggest addition ...

Finding Grounded 2's Wolf Spider locations is like playing hide and seek with a hideous monster. You need to find it to get some of the game's best gear, but it hides very well and is more than a ...

A variation of a puzzle called the “pick-up sticks problem” asks the following question: If I have some number of sticks with random lengths between 0 and 1, what are the chances that no three of ...

It should come as no surprise that if we have a sequence of objects, we often wish to see if an element is in the sequence (list, tuple, or string). Sometimes we also want to find the index of the ...

Caught in the middle of the U.S.-China trade war is a Chiclet-size magnet that is vital to every new electric vehicle on the road. The magnet is made with dysprosium. Atomic number 66. A rare-earth ...

The burial chamber most likely belonged to a ruler in a line of kings once lost to history, researchers said. “It’s a new chapter in investigating this dynasty,” one noted. By Alan Yuhas ...