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Nationalization is the transfer of private assets into public ownership. This guide explains why governments nationalize industries and what it means for economies.

A Non-Governmental Organization (NGO) is an independent nonprofit group that addresses social, humanitarian, and global issues. This guide explains how NGOs work and why they matter.

Net-zero refers to a state where greenhouse gas emissions are balanced by an equivalent amount of carbon removal or sequestration from the atmosphere. This concept is central to global efforts to mitigate climate change and limit global warming.

A Non-Fungible Token (NFT) is a unique blockchain-based asset representing ownership of digital or physical items. This guide explains how NFTs work and where they are used.

The nominal interest rate is the stated interest rate on loans and financial products. This article explains how it works, how it differs from the real rate, and why it matters.

Numerical Aperture (NA) defines how much light an optical system can collect. This article explains the formula, examples, and its impact on resolution and optical performance.