Tech Talk

Computational photography and location services

Tech Talk #158–July 17, 2021 Computational photography Whether you use a traditional digital camera or the camera app on your smartphone, it takes two steps to take a digital picture: the physical step of capturing an image and the image processing step. Digital cameras have bigger sensors and better lenses and take better initial images, while smartphones, with their smaller sensors and slower lenses, have better software for manipulating images. Image manipulation software uses computational

Saving voicemails

Tech Talk #157–July 3, 2021 Saving voicemails Some voicemails are too significant or sentimental to trust Verizon, AT&T, or whoever your cell service provider is, to keep them safe for you. If you get a new phone, migrate to a new voicemail app, or change providers, there is always a chance of losing a saved voicemail. Here's how to back up your important voicemails from Apple or Android phones. iPhone On your iPhone, tap on

Not Secure and “initialism”

Tech Talk #156–June 19, 2021 Remember when there was a little green lock in your browser when you went to a secure website like your bank or a store? That little green lock meant you had connected to a secure website. But what did that mean, a secure website? And whatever happened to that green lock? A secure website uses the HTTPS protocol for connections. So you don’t have to go look it up, HTTPS