Live sonar—more ­commonly known as forward-­facing sonar—shows you what is in the sonar cone in real time and is starting to ...

While a well-known use of this is sonar, ultrasonic sensors can also be put to use to make a radar-like system. This ultrasonic radar project is from [mircemk] who uses a small ultrasonic distance ...

Without real-time adaptation, traders are left sailing blind, hoping that historical patterns hold steady—a risky proposition when liquidity is as unpredictable as ocean currents.