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47 stunning stocking stuffer ideas to sew

Make an easy beginner sewing projects that make perfect stocking stuffer ideas! These small handmade gifts are a great way to show love! Do you need ideas for small things to sew and put in your ...
IEEE

Folded Reflectarrays With Shaped Beam Pattern for Foreign Object Debris Detection on Runways

Abstract: Design of a folded reflectarray antenna (FRA) by phase only control to provide a cosecan squared beam pattern in elevation and a pencil-beam pattern in azimuth to detect objects on the ...
Investopedia

Quick Response (QR) Code: What They Are, How They Work, and Types

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
IEEE

Dual-Broadband Dual-Polarized Folded Dipole Antenna With Stable Radiation Pattern

Abstract: A dual-broadband folded dipole antenna with stable radiation performance and two polarizations is presented. To generate dual-polarized radiation performance within a wide frequency band, ...
GitHub

ORIPA is a drawing software dedicated to designing the crease patterns of origami. The unique feature of ORIPA is calculation of the folded shape from the pattern.

The first version of ORIPA was released in 2005. ORIPA was made open source in 2012, and was pushed to Github in 2013. To find out more about using the software ...