Engineers Found Evidence of Hydraulics in an Ancient Pyramid, Solving a 4,500-Year-Old Mystery

In a preprint paper, scientists concluded that the Step Pyramid of Djoser in Saqqara, Egypt—believed to be the oldest of the ...
technologynetworks

Molarity Calculator

Molarity is the concentration of a solution in terms of the number of moles of the solute in 1 dm 3 (1 liter) of the solution. What are the units of molarity? The units of molarity are M or mol/L. A 1 ...
IEEE

Multi-UAV Formation Control Based on a Novel Back-Stepping Approach

Abstract: This paper addressed a well-documented open problem regarding multiple unmanned aerial vehicles (multi-UAVs) formation keeping. A cooperative guidance control method based on the ...