Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...

A 19th-century painting of the siege of Yorktown, with the Marquis de Lafayette depicted to the right of George Washington (center, right). A popular story suggests that Lafayette ordered the ...

Cotton rose (Hibiscus mutabilis) plants have showy, colorful blooms that appear in fall. This Southern heirloom plant is easy to care for, here’s how. Cotton rose (Hibiscus mutabilis) prefers full sun ...

The latest Google Doodle is an illustration of ‘Figure Skating,’ which is one of the main events in the ongoing Winter Olympics 2026, held in two regions of snowcapped Italy. The event officially ...