Deep vertical holes and re-entrant features challenge the best metrology methods.

Most of the big ideas in science have the decency to confine themselves to one or two disciplines. Evolution is strictly in the biological realm. E=mc 2 wouldn't be caught dead outside physics. And ...

The first episode delivers one of the series’ strongest openers. Low narrative stakes due to the refusal to kill the main characters. Essential move toward answering definitive narrative questions.

Revise the different types of angles and rules for calculating angles. This guide includes interactive activities and a quiz. NEW: Angles in parallel lines Revise alternate, correspondent or ...

Cast-iron cookware can withstand a great deal of clanking and scraping, but some ingredients will damage the surface. I asked a chef about which foods to avoid when cooking with cast iron. David lives ...

Tougher, more resilient grasses and better ways to fend off crabgrass and other weeds and pests should make it easier than ever to get a lush, healthy lawn. So why do so many people still have lawn ...

Abstract: Reconfigurable intelligent surface (RIS)-aided near-field communications are investigated. First, the necessity of investigating RIS-aided near-field communications and the advantages ...