Small and powerful laser diodes are getting cheaper and cheaper, and there are a few commercial products that give anyone the ability to cut paper and vinyl with a computer-controlled cutting machine.
E-paper price tags have become popular for retail ... He plans to get around this by powering the displays from a single large battery, and connecting an ESP32 to the displays via ISP or UART.
The person who did the work and wrote the paper is generally listed as the first author of ... They allow other scientists to quickly scan the large scientific literature, and decide which articles ...