From smart meters to prepayment meters, Economy 7, Economy 10 and standard meters, here's what you need to know about gas and electricity meters to help you save money on your energy bills. With over ...

This QRP SWR meter was designed for using with my Yaesu FT-817ND transceiver. Actually, it is antenna impedance meter based on Wheatstone bridge where antenna represents the unknown resistance. The ...

Only approximately 109 meters separate two similar, yet different, track and field events, the 1500 meters and the mile. That distance alone is just one difference between the mid-distance races. Here ...

With over 10 years’ experience writing about consumer affairs, Sarah leads on energy content at Which?, helping customers navigate the market and exposing poor practice. A prepayment meter can be a ...

High Performance HF Power meter using Arduino and a Directional Coupler This device can measure power over a wide dynamic range from 10uW to 1 KW and will derive SWR for a 50 Ohm load The front end ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Air quality infamously drops as the days grow cold and we ...

View the schedule for this year's observance of Rev. Dr. Martin Luther King Jr. Day, centered on Sunday and Monday, Jan. 18–19. In 2025, Bates social media shared more than a thousand of posts. Here ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...

Abu Dhabi Knight Riders (ADKR) will face Sharjah Warriorz (SWR) in Match No. 25 of the International League T20 2025-26 at the Sheikh Zayed Stadium in Abu Dhabi on Monday, December 22, 2025. Abu Dhabi ...

Handheld light meters used to be a photography staple, but as cameras with built-in light meters became both more prevalent and reliable, these devices became increasingly obsolete for everyday use.