Organic light emitting diodes, or OLEDs, are a type of photoluminescence device that utilizes organic compounds to produce ...

By working your way through the physics questions created by experts, you can prepare for your physics exams and make your revision more ... stopping distances, efficiency and Fleming's left ...

A research team has discovered how to make a promising energy-harvesting material much more efficient—without relying on rare ...

A careful revision of the rudiments of statistical physics shows that negative temperatures ... temperature into the Carnot formula for the efficiency of a heat engine, giving an efficiency ...

There are roof shapes and ratios that maximize heat retainment and energy efficiency and ... Based on the physics of these airflows and heat transfer, if a roof peak is shorter than roughly ...

Scientists have created the first silicon solar cell to achieve 25 percent efficiency following a revision of the international standard. University of New South Wales' ARC Photovoltaic Centre of ...

Without getting into the physics of it, this results in a max efficiency of just 33%. Diagram explaining singlet fission, a process that could increase solar cell efficiency by 30% Now ...

Researchers at the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) have received a patent from the U.S. Patent and Trademark Office for a novel design that could increase ...

These notes have been prepared according to the new CBSE syllabus for Class 11 Physics. Subject experts have created and reviewed the revision notes to provide students with the most accurate and ...

The first of two public comment sessions recently opened on changes proposed for the U.S. Green Building Council's (USGBC) Leadership in Energy and Environmental Design (LEED) will build upon a 2009 ...