Technology Capsules

Whether an electric car beats gas depends on how you count its full footprint, from battery production to the grid that charges it. These findings weigh lifecycle emissions, material and battery sourcing, charging at cleaner hours, and how regional grids change the math. You can decide how EVs fit a cleaner future even where the power is still dirty.

AI companies are burning billions on computing power while their path to profit stays murky. These views split between a bubble destined to pop, a business that can reach profitability through cost-cutting and smarter spending, and doubts that current data can settle the question at all. Weighing them helps you judge how much of the boom is real.

Modern phone charging is a balance between convenience, heat management, and long-term battery wear. Readers will understand how overnight charging, charge limits, full-capacity use, and temperature affect lithium-ion battery health, and how to choose habits that fit either maximum daily runtime or better capacity retention over time.