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NASA's Chandra telescope uses 'X-arithmetic' to reveal how black holes shape galaxy clusters (images)

The X‑arithmetic technique offers a powerful new way to map the physics of other galactic structures across the universe and ...
The Conversation

Arithmetic has a biological origin – it’s an expression in symbols of the ‘deep structure’ of our perception

Randolph Grace receives funding from the Marsden Fund, administered by the Royal Society of New Zealand. University of Canterbury provides funding as a member of The Conversation AU. University of ...
Investopedia

Arithmetic vs. Geometric Mean: Key Differences in Financial Returns

Chris Gallant, CFA, is a senior manager of interest rate risk for ATB Financial with 10 years of experience in the financial markets. Vikki Velasquez is a researcher and writer who has managed, ...

The finger arithmetic of free vs. fair trade

An old Chinese proverb says “It is better to break one finger than to injure ten." It reveals a lot about "free trade" versus ...

NASA reveals how black holes sculpt galaxy clusters using X-arithmetic — See images here

NASA’s new X‑ray images reveal how supermassive black holes sculpt galaxy clusters. Jets, bubbles, and ripples reshape cosmic ...
Investopedia

Breaking Down the Geometric Mean in Investing

Kristina Zucchi is an investment analyst and financial writer with 15+ years of experience managing portfolios and conducting equity research. Charlene Rhinehart is a CPA , CFE, chair of an Illinois ...
PRIMETIMER

NASA’s new X-ray technique reveals how supermassive black holes shape galaxy clusters

NASA’s Chandra telescope uses a new X-arithmetic method to compare X-ray energies and show how supermassive black holes shape galaxy clusters and galaxy groups, revealing differences in gas movement a ...