How Many Football Fields (With Lengths Roughly 100 Meters)would Fit

question 3

Multiple Choice

How many football fields (with lengths roughly 100 meters) would fit across our solar system?

• A) 100 million
• B) 1 billion
• C) 100 billion
• D) 100 trillion

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Definitions:

tDCS

Transcranial Direct Current Stimulation, a form of neuromodulation that uses constant, low current delivered directly to the brain area via electrodes on the scalp.

Depression

A behavioral health issue marked by an unrelenting low mood or indifference to pastimes, greatly affecting the ability to function daily.

Milliamp

A unit of electric current equal to one-thousandth of an ampere, often used in electrical measurements.

Deep Brain Stimulation

An operation in neurosurgery where a device known as a brain pacemaker is placed into the body, emitting electrical stimulation to targeted brain regions.