Archimedes is the attested author of the first rigorous definition of pi, which he did by way of geometry, using polygons with ever-greater numbers of sides. By 150 CE, Ptolemy had the value of pi ...

Google TV is one of the best streaming platforms out there, running on everything from smart TVs to the best streaming devices, and Google TV Streamer. This web-connected OS is built to make ...

I review privacy tools like hardware security keys, password managers, private messaging apps and ad-blocking software. I also report on online scams and offer advice to families and individuals ...

The president signed a number of executive orders which may affect the US solar industry. Image: Gage Skidmore/Wikimedia Commons. Following his inauguration yesterday, US president Donald Trump ...

To understand the Snapchat planet order, you will first have to imagine the exotic solar system that revolves around the Sun. Just like every planet in the solar system revolves around the Sun, here ...

Potential rooftop solar customers and installers worry the incoming President-elect Donald Trump administration might try to eliminate a 30% federal tax credit. Some customers plan to install ...

The goal of the Lancet Diabetes & Endocrinology Commission on the Definition and Diagnosis of Clinical Obesity was to develop an approach to this definition and diagnosis. The commission ...

Organic solar cells resist radiation better than silicon or gallium ar Polymer-based cells face efficiency drops, reversible with thermal ann Research explores self-healing materials for durable space ...

For solar panels to work optimally, it is essential that they can absorb as much of the incoming solar radiation as possible. Soiling and, on the other hand, damage to the solar panel glass will ...

Radiation testing suggests that solar cells made from carbon-based, or organic, materials could outperform conventional silicon and gallium arsenide for generating electricity in the final ...

Personal property represents all possessions that don't fit the definition of real property, such as clothes, cars, and furniture. It's helpful to begin with land and real estate when defining ...