Abstract: The forest survey is a prerequisite or critical for ecological conservation. Spectral mixture analysis (SMA) is an effective method to extract the forest coverage and its changes; however, ...

A vertical drawing system lets researchers craft ultra-thin optical fibers with nanometer precision, enabling advances in quantum tech, sensors, and lasers. Micro/nano optical fibers—so thin their ...

The mystery of the Moai stone heads has eluded onlookers for centuries — and now, researchers say they finally know how they got there. The statues, which were carved and placed on the South Pacific's ...

I’d guess that of all the scoped rifles I’ve handled, probably ninety percent have the crosshairs out of vertical alignment. The reason is that when you look through the scope you have your head ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

Since 2000, semiconductor manufacturing has increasingly depended on advanced computational techniques, notably first principles calculations and machine learning, with quantum computing anticipated ...

I am delighted to write the first of what will hopefully become many columns for Produce Grower magazine. I am writing for you, the grower, and your stakeholders. The focus for this space will be on ...