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Best presale of December: Why analysts predict GeeFi (GEE) will 100x your investment instead of Ripple (XRP)

Spotting the next big crypto project before everyone else is how many people get life-changing results. GeeFi is making waves ...
Investopedia

Unlocking Numismatics: Coin Study, Qualifications, and Value

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...
IEEE

A Monolithic 48V-to-1V 10A Quadruple Step-Down DC-DC Converter with Hysteretic Copied On-Time 4-Phase Control and 2× Slew Rate All-Hysteretic Mode

Abstract: This paper presents a 48V-to-1V quadruple step-down (QSD) DC-DC converter. The QSD comprising 4 parallel-inductors and 3 series-capacitors can efficiently supply up to 10A with fully ...
IEEE

A 12V/24V-to-1V DSD Power Converter with 56mV Droop and

Abstract: 12V/24V-to-1V power converters with high efficiency and fast transient responses are highly desirable in industrial and automotive applications. Double step-down (DSD, also known as ...
National Geographic news

'World's oldest' coin factory discovered in China

Archaeologists excavating the remains of Guanzhuang—an ancient city in China’s eastern Henan Province—have discovered what they believe is the oldest-known coin mint, where miniature, shovel-shaped ...