Abstract: This paper presents a comprehensive survey on acquisition, tracking, and pointing (ATP) mechanisms used in free-space optical (FSO) communications systems. ATP mechanisms are a critical ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...

There are various popular options for free website hosting, but for developers who are already familiar with Git and the GitHub ecosystem it simply makes sense to use GitHub Pages. This quick GitHub ...

Cancel all of your plans. Sign up for the latest news from Better Homes & Gardens including offers and discounts we choose to share with you. Whether you’re a seasoned crocheter or just starting, ...

Introducing Design #74 – a beautiful, handcrafted beaded crochet heart doily known as the “Ring of Love”! 💖 This elegant piece is perfect for gifting or home décor, featuring intricate beadwork and ...

A new executive order (EO) Tuesday from President Donald Trump calls for presidential oversight on independent federal agencies, including the FCC. The FCC is an independent federal agency monitored ...

Crochet doilies are not just a reference to the past; they are a blank canvas for the present age, which can be filled with modern creativity and personal expression. This collection of 40 free ...

If you’re looking for a fun and engaging way to spark your child’s creativity, Simply Draw, the latest addition to the Simply app suite, is the perfect solution. Designed to make learning to draw ...