Scientists have developed a lens-free mid-infrared camera using a modern twist on pinhole imaging. The system uses nonlinear crystals to convert infrared light into visible, allowing standard sensors ...

Credit: Lenz Therapeutics. Vizz eye drops contain a cholinergic muscarinic agonist that causes contraction of the iris sphincter muscle, resulting in a pinhole effect that extends focus depth to ...

Perhaps the most surprising thing about shadowgraphs is how simple they are: you simply take a point source of light, pass the light through a the volume of air to be imaged, and record the pattern ...

It’s a regrettable reality that there is never enough time to cover all the interesting scientific stories we come across each month. In the past, we’ve featured year-end roundups of cool science ...

Medtronic has secured a CE mark approval in Europe for its surgical implant to close the heart’s left atrial appendage, aimed at reducing the long-term risk of stroke that’s higher among people with ...

About Nicole Lou is a reporter for MedPage Today, where she covers cardiology news and other developments in medicine. She is also a producer on the Anamnesis podcast team. Her work has previously ...

Seeing through one eye or many, in technicolour or black and white, few animals experience the world as we do. By analysing the properties of animals' visual systems, we can model what the world would ...

If your internet keeps lagging, buffering or dropping out, one of the quickest fixes is restarting your router. Restarting your router is one of the quickest ways to restore Wi-Fi speed and stability ...