600-year-old Inca reveal ‘computer-like’ system that could store data, organise records, and even mimic encryption

Before smartphones, spreadsheets, or even written alphabets as we know them, the Inca appear to have managed information in a ...

CBSE class 12 computer science question paper 2026 with answer key: Download PDF

The CBSE Class 12 Computer Science exam for 2026 was successfully conducted today, March 25, 2026. The exam took place across ...
IEEE

A State-of-Charge and State-of-Health Joint Estimation Method of Lithium-Ion Battery Based on Temperature-Dependent Extended Kalman Filter and Deep Learning

Abstract: Accurate estimations of the state of charge (SOC) and state of health (SOH) are crucial for improving battery management techniques. However, batteries are affected by temperature and aging, ...
NPR

Sources & Methods

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...