Apple's belated entry to the foldable phone niche is supposedly still coming, and the latest rumors suggest it will debut in ...

Cell phones and depression Source: Mart Production/Pexels The Mood-Phone Connection Research consistently demonstrates associations between problematic smartphone use and negative mood states.

TALLAHASSEE, Fla. – Florida lawmakers approved an expansion Friday on the ban on cell phones for elementary and middle school students, and are testing it in high schools. The current law only ...

It was five years later, in April of 2023, that AST made history with the first two-way phone call via space on a cell phone anyone ... BW3 had fully deployed its antennas, it reached a peak ...

Scientists at Xi’an Jiaotong University have fabricated an inverted perovskite solar cell that utilizes a self-assembled bilayer (SAB) as a hole-selective molecular contact. Inverted perovskite ...

The group built the solar cell with a substrate made of indium tin oxide (ITO), a self–assembled monolayers (SAM) as an HTL, the perovskite absorber, the Pb–C – passivator, an ETL based on ...

Manufacturers of cell phone signal boosters use gain value to represent the strength of the signal and how much an antenna can amplify it. So, a unit with a higher gain value improves coverage to ...

It was the first cell phone that operated with two batteries that were removable, so when one battery died, the user could use the other battery on the phone. The phone could support up to a four ...

The design of a novel compact dual band PIFA (Planar Inverted F-Antenna) as an embedded ... compared with the conventional whip or rod antennas. For these reasons, they are becoming very popular for ...

Metasurface-based antenna turns ambient radio waves into electric power Technology could make it possible to use radio emissions from cell phone networks to wirelessly power sensors and LEDs Date: ...