Abstract: We propose a directive antenna for borehole radar using a horizontally polarized wave in a vertical borehole. This antenna is an array of several horizontal loop antennas, arranged ...
Photo Credit: @robokoboto, Alpha Coders. 17-year-old Ava Johnson hears and makes six-seven jokes up to 10 times a day at her high school in Odenton, Md. She loves how new numbers keep popping up in ...
Abstract: Analytical expression of transmission for the orbital angular momentum (OAM) communication using loop antenna arrays and paraboloids is derived to achieve a communication distance of 100 m.
A BitSet (also called Bitmap or bit vector) is an ideal data structure to implement a set when values being stored are reasonably small integers. It can be orders of magnitude faster than a generic ...
Test your observation skills with this inverted 36 number brain teaser. Among the repeated numbers, there is odd number hidden. Can you find them within 17 seconds? This puzzle helps improve focus, ...