Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

Industry analysts said prior tariffs on steel and aluminum raised raw material costs by 9% to 12% and increased Class 8 truck production costs by as much as 24% in 2025. Truck makers and carriers ...

Editor's note: This story is part of a series about the Class of 2028 based on a survey conducted by The Chronicle in March and April 2025. Read the rest of our survey coverage here. The Chronicle is ...

The conversion efficiency of the solar cells or the power of the photovoltaic modules are measured under the standard conditions: AM 1.5G spectrum, 1000 W/m2, and the temperature at 25 °C. However, in ...

Have you ever wondered how Java seamlessly combines its primitive data types with object-oriented programming? Enter wrapper classes, an important but often overlooked Java feature. These special ...

Prior research shows attendance is one of the best predictors of class grades and student outcomes, creating a strong argument for faculty to incentivize or require attendance. Attaching grades to ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Instance main methods and unnamed classes, coming in Java 21, will forever change how developers ...

Damage to a relay contact after cyclic current loading. A better understanding of inverter reliability will help boost performance and reduce costs. Image: Fraunhofer IMWS. Inverters are critical to ...

Scientists have developed a way to compare the data given by PV manufacturers based on standard test conditions (STC) to the real conditions in the field. The proposed technique is based on the single ...

Equipped with MK48 heavy torpedoes and Tomahawk cruise missiles, fast-attack subs like the Virginia-class can rain terror on an adversary fleet. The U.S. Navy’s ...

A. The following wiring methods can be installed in a Class II, Division 1 location [Sec. 502.10 (A)]: (Figure) Wiring methods that can be installed in a Class II, Division 1 location. (1) General. (1 ...