<http://schema.org/caption>
"\r\nOne of the testing machines in which the researchers examine liquid crystals as lubricants: With which lubricant does the machine consume the least amount of energy?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://newatlas.com/liquid-crystal-lubricants-promise-close-to-zero-frictional-losses/10353/>