Abstract: The delta-sigma pulse magnitude modulated multilevel inverter-based wireless power transfer systems are suitable for high-power applications to realize zero voltage switching (ZVS) and ...

John Seiler was strolling across Virginia Tech’s campus with his students Thursday morning when something stopped them in their tracks: a sweet cherry tree with an unusual jagged scar running along ...

Balanced funds can be an investor’s best friend. If you can handle some ups and downs, up to about a 20% drop in value, and you’re planning to invest for at least 10 years, these “set it and forget it ...

Stars are the fundamental building blocks of our universe. Most stars host planets, like our Sun hosts our solar system, and if you look more broadly, groups of stars make up huge structures such as ...

The Babylonians used separate combinations of two symbols to represent every single number from 1 to 59. That sounds pretty confusing, doesn’t it? Our decimal system seems simple by comparison, with ...

Oak trees change their fine roots and ‘energise’ soil microbes by supplying them with a cocktail of small organic compounds, all to supplement the trees’ supply of essential nutrients when exposed to ...

Cities across the nation and the world struggle with the dual challenges of building enough new housing for growing populations while also growing the tree canopy that makes that housing livable. This ...

As Atlanta City Council prepares to vote on sweeping changes to the city’s Tree Protection Ordinance (TPO), Atlanta stands at a critical crossroads. In its current form, the proposed ordinance aiming ...

Supports insertion, deletion and a visual display (both balanced and level order). Displays the maximum element along with its level. Uses a balanced insertion method. Allows deletion of the last ...