Cameron Hagen adds more weight to the bucket being held up by her group’s toothpick bridge Tuesday in her science class at Chippewa Falls Middle School. The seventh-grade students tested bridges they ...

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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 ...

Historians, archaeologists, and researchers in our distant past insist that civilized life began on the Earth about 5,000 years ago. They point to the fact that there is no hard evidence to support ...