Lasers and LEDs have a statistical distribution in the number of photons emitted within a given time interval. Applications exploiting the quantum properties of light require sources for which either ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Michael Boyle is an experienced financial professional with more than 10 ...

How to use lateral reading to verify information from a post or article. When to click through to a link or search result and when to move on to the next one. The difference between primary and ...

False or misleading posts carry some obvious signs. Here, you will learn how to spot misinformation red flags and how to evaluate primary and secondary sources. A functioning democracy is built on a ...

Healthy foods are usually whole foods that provide plenty of nutrients, stay low in saturated fat and sodium, and avoid additives like sweeteners. There are many healthy, delicious foods across fruits ...

Antioxidants are compounds your body makes and gets from food that protect cells from free radicals, lowering oxidative stress and chronic disease risk. Antioxidant-rich foods include dark chocolate, ...

What are fossil fuels? What is renewable energy? Watch: Fossil fuels and renewable energy Activity: Quiz – Fossils fuels and renewable energy Burning fossil fuels creates carbon dioxide gas. This adds ...

Kayla Girgen, RD, is a licensed dietitian who specializes in weight management and weight loss for patients after bariatric surgery. Fruits like bananas, guava, and prunes are rich in potassium.

Learn the benefits and risks of options and how to start trading options Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Samantha (Sam) Silberstein, CFP®, CSLP®, ...