Materials scientists can learn a lot about a sample material by shooting lasers at it. With nonlinear optical microscopy—a ...

Light is fast, but travels in long wavelengths and interacts weakly with itself. The particles that make up matter are tiny ...

Phonons are indeed recognized as vibrations of the lattice that transport heat energy in solids. To contemplate on the idea ...

JKBOSE Class 12 Physics Syllabus 2025–26 - The Jammu and Kashmir Board of School Education (JKBOSE) has officially released ...

Zoom is a feature of many cameras and camera phones that makes the subject appear "closer", filling more of the image area. The other type of zoom is digital zoom, a software feature that has ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician ...

CNN’s Fear & Greed Index is a way to gauge stock market movements and whether stocks are fairly priced. The index uses seven market indicators to help answer the question: What emotion is driving the ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Ebony Howard is a certified public accountant and a QuickBooks ProAdvisor tax expert. She ...

To make the world smarter, happier, and richer. Founded in 1993, The Motley Fool is a financial services company dedicated to making the world smarter, happier, and richer. The Motley Fool reaches ...

Nasdaq Composite includes only Nasdaq-listed common stocks, excluding ETFs and preferred stocks. It is market-cap weighted, meaning larger companies have more influence on index performance. Investing ...

Optical metrology is using light to set the standards that define units of measurement and for other high-precision research. Optical clocks, for example, have the potential to define the unit of time ...