and design notes here. The interesting thing about this radio is that its VFO, power amplifier, and front-end cover all HF bands up to the VHF band 2m. This radio could quite easily be made into ...

Although the overall design of the Honor Band 9 isn’t significantly different from the older version, you can now choose from several different colorways (Purple, Blue, and Black), and there is ...

An international research team has developed a new intermediate band solar cell (IBSC) design that includes a quantum ratchet (QR) semiconductor nanostructure. This new element reportedly enables ...