Science paper divided into Biology, Chemistry, and Physics sections with detailed questions on plants, animals, genetics, digestion, and chemistry experiments.

Learn how to calculate electric current and potential in two connected wires! This guide walks you through the physics behind series and parallel circuits, helping you understand voltage drops and ...

Build a DIY magnetometer with a couple of seasoning bottles ...

Abstract: In this study, the authors propose a non-isolated high step-up interleaved DC/DC converter that can be applied to sustainable energy system. The proposed converter achieves high voltage gain ...

Abstract: Solid-state dc circuit breaker (SSCB) has become a key component for fast fault isolation in high-voltage dc systems. However, their effectiveness often relies on complex series and parallel ...

The moments when four ancient worlds faced disaster are brought to life in an epic new series exploring Rome, Egypt, the Aztecs and the samurai of Japan. Drawing on the beautiful art and artefacts ...

The experimental model won't compete with the biggest and best, but it could tell us why they behave in weird ways—and how trustworthy they really are. ChatGPT maker OpenAI has built an experimental ...