While most previous studies have focused on systems with a fixed discontinuous boundary, this paper examines systems with a variable discontinuous boundary. We develop a mathematical model based on ...

Martin Barraud / Getty Images Fixed costs, variable costs, and total costs all sound similar, but there are significant differences among the three. The main difference is that fixed costs do not ...

The ESP8266 is the reigning WiFi wonderchip, quickly securing its reputation as the go-to platform for an entire ecosystem of wireless devices. There’s nothing that beats the ESP8266 on a ...