HVAC Expert Kenneth Hartman Explains What Determines the Price of a New Heating and Cooling System for HelloNation

What determines the true HVAC system cost when it’s time to replace an old unit? MARIETTA, GA, UNITED STATES, January ...
EDN

LiDAR’s power and size problem

Overcoming the known power and size limitations in LiDAR design is critical to enabling scalable, cost-effective adoption ...
IEEE

Numerical Calculation of Fluid Heat Transfer in Rotor of Large Air-Cooled Generator Based on Global Ventilation Network Model

Abstract: Large-scale air-cooled generators are the most widely used generators, because of the weak effect of air cooling, its ventilation cooling has been the focus of research. The size of large ...
Macworld

2025 iPad Air M3: What you need to know about the brand new iPad Air

Apple updated the iPad Air with an M2 processor back in May 2024, it didn’t change the design much, though it did introduce a larger 13-inch model. Now, less than a year later, there’s a new iPad Air, ...
IEEE

Calculation Method and Application of Transmission Capacity Coupling Relationship in UHV AC/DC Hybrid Receiving-end Grid

Abstract: With the large number of new energy and high-capacity DC power transmission projects put into operation, the power shock caused by DC faults has become a key factor affecting the safe and ...
Investopedia

Calculate Sales Tax: Simple Steps and Real-Life Examples

Elysse Bell is a finance and business writer for Investopedia. She writes about small business, personal finance, technology, and more. Erika Rasure is globally-recognized as a leading consumer ...