While earlier artists like Giotto had applied a flat, neutral light from an unidentifiable source, Masaccio's light emanated from a specific location outside the picture, casting the figures in light and shadow.
Thirdly, the strain can be inherent in a population, with an unidentifiable source.
"Democracy is at risk from the malicious and relentless targeting of citizens with disinformation and personalised 'dark adverts' from unidentifiable sources, delivered through the major social media platforms we use every day," Mr Collins said.
"Democracy is at risk from the malicious and relentless targeting of citizens with disinformation and personalised 'dark adverts' from unidentifiable sources, delivered through the major social media platforms we use every day," concluded the report.
It is notable that, in our study, 20% of patients had an unidentifiable source of infection as has been found in other studies [ 26, 27].
A decade ago, Bernard mentioned to his friends that he was suffering from some unidentifiable illness.
Why are they in a Ziploc bag? Are they still wet from some unidentifiable liquid?
Other works are finished, in particular a series of huge paintings each consisting of six adjoining panels, created by cropping and superimposing several images, some more or less photographic, others borrowed from 18th-century painting or other unidentifiable sources.
"Remember when you made that horrid wet drip on her chin?" Mr. Olander asked, referring to a painting Ms. Minter created from a photograph of Pamela Anderson with some unidentifiable liquid running from her open mouth.
Or do the two spring from some common source?
