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, ...

Scientists have long been probing the universe to determine how elements came together to form planets and (at least in Earth’s case) gave rise to life. One disconnect was that the universe contained ...

Seventeen elements of the periodic table have taken on outsize importance because of their use in smartphones, electric vehicles, medical devices, and other technologies. They’re valued for their ...

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 ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

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Millions of tons of coal ash left over from burning the planet’s dirtiest fossil fuel are sitting in ponds and landfills, able to leach into waterways and pollute soil. But this toxic waste may also ...

A new model based on the famous alien-hunting Drake equation suggests that some parallel universes within the hypothetical "multiverse" could have higher chances of containing extraterrestrial life ...