Project Management Professional (PMP) - Online Sample Test for Certification exam Preparation
Most Creative Beds
Earthquake beds come in a variety of designs but they all do the same thingprotect you in the case of an earthquake. The brainchild of Russian inventor Dahir Semenov, the bed works by using sensors to detect ground movement. This triggers a series of events, the mattress drops you down into a panicroomlike chamber, and a lid slides covers you and protects you from debris.