A blivet, also known as a poiuyt, devil's fork or widget, is an undecipherable figure, an optical illusion and an impossible object. It appears to have three cylindrical prongs at one end which then mysteriously transform into two rectangular prongs at the other end.

JUNCTION ELEMENT FOR A HYDRAULIC CIRCUIT
Development of a m-PCR assay for simultaneous identification of Campylobacter jejuni and C. coli
Outcome of patients with idiopathic pulmonary fibrosis admitted to the ICU for respiratory failure.
Control and Outcome of a Large Outbreak of Colonization and Infection with Glycopeptide-Intermediate Staphylococcus aureus in an Int...
Element weldable by friction to a tube end, and a corresponding welding method
Dual effect of metformin in cultured rat hepatocytes: potentiation of insulin action and prevention of insulin-induced resistance.
Connecting device with welded body
Diagnosis and treatment of pulmonary arteriovenous malformations in hereditary hemorrhagic telangiectasia: An overview.
In vitro studies of insulin resistance in patients with lipoatrophic diabetes. Evidence for heterogeneous postbinding defects.
METAL COUPLING WITH LOCKED POSITION