Sentence examples for proved impossible to observe from inspiring English sources
Because it does not reflect or emit radiation, dark matter has proved impossible to observe directly, even with the most advanced telescopes.
This scope and scale proved impossible to maintain.
However we have observed residuals that have proved impossible to correct with this approach, being in part the legacy of asymmetries in the input edge-profiles.
It proved impossible to obtain quantitative binding data from any of the dihydrogen phosphate titration experiments, indicative of a complex equilibrium binding process (chemical shifts observed were too small, association constants <100 m−1, to be sensibly fitted within error).
Imputations proved impossible to outrun.
Nevertheless, the subject proved impossible to ignore.
The obstacles proved impossible to overcome.
This has proved impossible to cover up.
His fractious coalition proved impossible to manage.
Some holes proved impossible to fill.
This proved impossible to secure.
