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Optics and photonics is the study of the fundamental properties of light and harnessing them in practical applications. Optics and photonics covers the entire electromagnetic spectrum from high-energy ...

Integrated optics is a system of light-controlling components combined into a single device. The ultimate aim is to create miniature optical circuits similar to the silicon chips that have ...

A displaced polar vortex in Canada is set to unleash three waves of Arctic air through mid-December, “delivering the coldest conditions of the season so far,” forecasters at AccuWeather said. “The ...

Above: A Von Karman vortex street downwind of the Canary Island chain in the eastern Atlantic Ocean off the coast of Africa on Feb. 27, 2015. Image credit: NASA Worldview. Editor's note: Meteorologist ...

Spotting can happen for many reasons, including hormonal imbalances, pregnancy, stress, low body weight, birth control, sexually transmitted infections (STIs), polyendocrine metabolic ovarian syndrome ...

While a short period could be an early sign of pregnancy, there are many other possible causes, including lifestyle factors, birth control, or a medical condition. The length of your period can ...

When your Uber Eats delivery or those shoes you ordered show up early, it’s a welcome surprise. But when your period makes a preemptive appearance in the form of unexpected spotting, not so much.

Implantation bleeding is light vaginal bleeding that happens when a fertilized egg implants in the uterus. It’s different from a menstrual period, which involves heavier bleeding that occurs for a few ...

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In 1925, the “Scopes Monkey Trial” pit traditional Christian beliefs against evolution. The State of Tennessee v. John Thomas Scopes was decided on July 21, 1925: Scopes was found guilty of violating ...