Learn how to calculate IRS’s 10% early‑withdrawal penalty on 401(k)s—with examples, exceptions, SECURE 2.0 updates, and penalty‑free alternatives.

This paper presents an ac-dc LED driver that consists of two-parallel inverted buck converters. To buffer the twice-line-frequency energy, one inverted buck converter (also known as a floating buck ...

To calculate your utilization rate, add up the total balances on all your credit cards and divide by the total of your credit limit across all cards. Let's say you have two credit cards: ...

Untethered mobile microgrippers exhibit flexibility and agility in small and constrained environments as precise and accurate robotic end-effectors, with promising potential applications in cell ...

What's the most important factor in a relationship? Emotional stability. And what's number two? While some believe the answer is flexibility, Andrea Miller, founder, CEO, and podcast host, argues ...

A strong and persistent melt event occurred in southern Greenland in mid-August 2025, preceded by extensive rain in the same area. Snow cover following the rain events covered the lower elevation bare ...

Variability measures how widely a set of values is distributed around their mean. Here's how to measure variability and how investors use it to choose assets.

Parallel screening of luciferase mutants and luciferin analogues to identify orthogonal pairs. (a) General strategy for identifying substrate-selective, mutually orthogonal enzymes.

Officials expect more heat and dry conditions in Western Canada, which faces a higher risk of wildfires heading into September while the rest of the country cools down.

KAIST researchers have developed a DRBG that theoretically achieves the highest possible level of security through a new proof technique, while maximizing speed by parallelizing its structure. This ...