From light to logic: First complete logic gate achieved in soft material using light alone

Researchers from McMaster University and the University of Pittsburgh have created the first functionally complete logic gate ...
BBC

How to use inverted commas

When you are writing, inverted commas or speech marks go before and after direct speech, surrounding what was said. Inverted commas make it clear when someone is speaking by sitting high up above the ...
Forbes

401(k) Retirement Calculator

Editorial Note: We earn a commission from partner links on Forbes Advisor. Commissions do not affect our editors' opinions or evaluations. Contributing to a 401(k) is one of the best ways to prepare ...
The New England Journal of Medicine

Chronic Hemodialysis Using Venipuncture and a Surgically Created Arteriovenous Fistula

THE success of chronic hemodialysis in terminal renal failure depends on repeated access to blood vessels that will provide a continuous flow of up to 250 to 300 ml. per minute. A technic was ...
IEEE

Facial Expression Analysis using K-Nearest Neighbor Classification Method: Enhancing Emotion Detection and Stress Monitoring in an Interactive Music Player

Abstract: Since facial expressions convey important information about human feelings and emotions in a dangerous way, they are an effective means of human communication. It is a crucial part of ...