The most famous packing problem concerns spheres. In 1611, the astronomer Johannes Kepler proposed that the densest way to ...

Explore the financial challenges South African parents face in providing quality education for their children, highlighting ...

Welcome to Nat Geo Your Shot: National Geographic’s global community for aspiring visual storytellers. Find the community on Instagram @NatGeoYourShot and follow along for hashtag challenges ...

In this paper, we propose a new digital image encryption scheme based on the piecewise linear chaotic map (PWLCM) in order to meet the requirements of the secure encryption. The proposed scheme is ...

There is no tropical storm activity for this region. Be prepared and learn helpful tips and information that will help you know what to do in the event of a storm-related emergency.

Canon imageClass MF4820D Laser Multi Function Monochrome Printer price in India starts from ₹ 22,100. The lowest price of Canon imageClass MF4820D Laser Multi Function Monochrome Printer is ₹ 22,100 ...