Abstract: Pinhole collimators are widely used to image small organs and animals. The sensitivity of knife-edge pinhole collimators has been previously estimated using an "effective diameter" ...

Crypto investment firm Theta Capital Management closed a raise of more than $175 million for a fund-of-funds that will back institutional investors in early-stage blockchain startups. The vehicle, ...

The launch of Hyundai's first Theta engine in the 2004 Sonata helped signify that the Korean automaker was moving beyond its 20th-century origins. Available in 2.0- and 2.4-liter displacements, the ...

Social media has been in a frenzy ever since a Howard University senior renounced her Delta Sigma Theta Sorority Inc. membership, and a video went viral of a Spelman College grad denouncing the school ...

Trigonometry is derived from the Greek words trigonon and metron, which mean triangle and measure, respectively. Sine, Cosine, Tangent, Cotangent, Secant, and Cosecant are the six trigonometry ratios.

In 1839, Heinrich Wilhelm Dove found that providing two slightly different tone frequencies, one in each ear, were perceived as a third phantom frequency depicted by the difference of these two ...

The Matlab/Octave implementation of Elliptic integrals of three types, Jacobi's elliptic functions and Jacobi theta functions of four types with their derivatives. The main GOAL of the project is to ...

Females demonstrate greater risk aversion than males on a variety of tasks, but the underlying neurobiological basis is still unclear. We studied how theta (4–7 Hz) oscillations at rest related to ...