A blue hole is a large marine cavern or sinkhole, which is open to the surface and has developed in a bank or island composed of a carbonate bedrock (limestone or coral reef).
When a car hits something, it starts to decelerate (lose speed) very rapidly.
An accelerometer (electronic chip that measures acceleration or force) detects the change of speed.
As the water freezes, it wants to form a regular crystalline structure (ice). That means impurities like oxygen and other dissolved gasses are pushed away from the crystallization front into the remaining liquid.
Wireless charging works by transferring energy from the charger to a receiver in the back of the phone via electromagnetic induction.
The Magdeburg Water Bridge in Germany deserve special mention. Opened in October 2003 and part of the Magdeburg crossing of waterways, it connects the Elbe-Havel Canal to the Mittellandkanal