Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Amy is an ACA and the CEO and founder of ...

Ledger is a powerful, double-entry accounting system that is accessed from the UNIX command-line. This may put off some users, since there is no flashy UI, but for those who want unparalleled ...

Double majoring among college students has doubled in the last decade as graduates face a competitive job market, but research shows the benefits depend on the majors chosen.

Virus entry into animal cells is initiated by attachment to receptors and is followed by important conformational changes of viral proteins, penetration through (non-enveloped viruses) or fusion with ...

Ledger.py is a simple, command-line, double-entry accounting system. It reads transactions written in a simple format from a text file and produces summary reports as text or an excel spreadsheet.

Abstract: In the power electronics and machine drives area, recent advancements in power electronics devices are paving a more sustainable future. The importance of improved power devices is ...

Materials I used: Soft copper wire: - 20 gauge (wire diameter 0.8mm) - 7cm (2.8 inch) for each double heart link - 2cm (0.8 inch) for each beaded link - 2cm (0.8 inch) for the clasp Beads: 4mm (abacus ...

In 2026, Americans will get free admission to national parks on President Donald Trump's birthday but no longer on Juneteenth and Martin Luther King Jr. Day, according to the National Park Service ...

The Double Purcell Prusik is an essential knot system for arborists and tree climbers, designed to enhance safety and protect gear during ascents, descents, and complex canopy maneuvers. This tutorial ...