Your iPhone calculator has a travel hack you might not be using

If you're on vacation and need to quickly determine the exchange rate of currency, your iPhone can actually do that for you.
IEEE

Development of a New DC-to-DC Converter for Ultra-Fast Charging of Electric Vehicles Using Superconducting Inductors Cooled With Liquid Hydrogen

Abstract: Toward the 2050 net-zero goal, an increasing number of battery electric vehicles (BEVs) must be achieved to reduce CO 2 emissions out of the mobility sector. One of the barriers for ...
IEEE

A Middle-Capacitor-free Two-Stage 48V to 1-1.2V Converter using Fixed 0.5 Duty-Cycle Switched-Capacitor

Abstract: This paper proposes a 48V to 1-1.2V two-stage converter, consisting of a high-voltage (HV) switched-capacitor (SC) stage and a low-voltage (LV) buck converter stage. By fixing the duty-cycle ...
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Using proportions to solve a word problem with currency

In this video, you will learn how to solve a word problem using proportions. To do this we will identify our unknowns as well as our ratio of terms. We will then proceed to set up a proportion and ...