A small carriage propelled by a steam turbine powered engine was apparently invented by Ferdinand Verbiest, a Belgian, in 1672 while in China. It is argued that this constitutes the first 'car' ever invented, but the design was only 65cm long, had no seats or pilot controls, and was intended as little more than a toy.
The adolescent with bipolar disorder is more likely to have depression and mixed episodes, with rapid changes in mood. Symptoms of bipolar disorder in women tend to include more depression and anxiety as well as a rapid-cycling pattern compared to symptoms in men.
Bipolar Disorder: Causes, Symptoms, and Treatments. Bipolar is a mental disorder characterized by extreme shifts in mood, with fluctuations in energy and activity levels. During these abnormal shifts, the patient commonly finds it difficult to complete everyday tasks. Bipolar disorder used to be known as manic-depressive illness.