Excel processes the range (A1:A10) by converting it into an array in memory. This array is what Excel works with to calculate the sum. The distinction is subtle but important: while the range is the ...

A polarization-switchable array could be the building block for future energy-efficient photonic computers.

As a former realtor, general contractor and greenhouse operator, Kristi has touched nearly all aspects of homeownership, from the foundation up. Today, Kristi is a full-time investing and real estate ...