@ on keyboards A book called “Managing Web Usage in the Workplace” tells of examining pictures of old typewriters and finding that it was relatively common for the @ symbol to be included on the keyboard starting around 1880. @ for email addresses ...
in certain language-specific contexts, such as portuguese and spanish. the tilde symbol has multiple valid uses within english writing as well as other languages and can be an incredibly powerful tool when leveraged correctly. where is the squiggly line or tilde symbol located on my keyboard?
A solution to remote detection of illegal electricity usage via power line communications. IEEE Trans. Power Deliv. 2004, 19, 896–900. [Google Scholar] [CrossRef] Son, Y.-S.; Pulkkinen, T.; Moon, K.D.; Kim, C. Home energy management system based on power line communication. IEEE ...