Then, you need to be able to identify which journals are peer-reviewed. There are generally four methods for doing this: 1  Limiting a database search to peer-reviewed journals only. 2  Some databases allow you to limit searches for articles to peer reviewed journals only.
A walkie-talkie (more formally known as a handheld transceiver, or HT) is a hand-held, portable, two-way radio transceiver. Its development during the Second World War has been variously credited to Donald L. Hings, radio engineer Alfred J. Gross, and engineering teams at Motorola.
This feature is not available right now. Please try again later. Back when voice communication was still king, phone calls weren't the only game in town. Some carriers offered a service called push-to-talk - a two-way radio, or walkie-talkie-like solution, for when a phone call just wouldn't do. In America, most carriers found little traction with PTT.