Abstract: Quick response (QR) code is widely used for mobile payment to convey information. However, the traditional QR code has no semantic content and cannot be understood by human. To remedy this, ...

Discover how to create stunning textured wall art with this step-by-step tutorial. Learn to use stencils, texture mediums, plaster techniques, and blue glitter paint to achieve intricate geometric ...

Welcome to CalMatters, the only nonprofit newsroom devoted solely to covering issues that affect all Californians. Sign up for WhatMatters to receive the latest news and commentary on the most ...