Nature

Playing with carbon and silicon at the nanoscale

The existence of a compound made of silicon and carbon was predicted by Berzelius in 1824, and the first successful synthesis of silicon carbide (SiC; moissanite) was achieved 70 years later 1.
Investopedia

How a General Ledger Works With Double-Entry Accounting, With Examples

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...
Investopedia

Discount Rate Defined: How It's Used by the Fed and in Cash-Flow Analysis

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
UNESCO

Vredefort Dome

Vredefort Dome, approximately 120 km south-west of Johannesburg, is a representative part of a larger meteorite impact structure, or astrobleme. Dating back 2,023 million years, it is the oldest ...
IEEE

An explicit off-situ inversion method for neutron fields in reactor core based on graph structure

Abstract: In the future, advanced reactors will face harsh core environments. Using ex-core detection signals to invert the neutron distribution in the core is important for ensuring the safe ...
IEEE

Design and Analysis of the Frame Structure Based on the Self-balancing Two-wheeled Vehicle with Parallel Configuration Control Gyroscope

Abstract: Based on existing commercial two-wheeled vehicle frame structures and incorporating a dual-parallel configuration stabilizing gyroscopic cluster topology, this study presents a novel ...