The Xtape1 is a very different take on the laser tape measure. This one has a laser, yes (three, actually, a red one is used for measuring, and two green aligning beams) that's good out to 330 feet ...

I Ran 30 Miles Testing 5 Smartwatches to Find Out Which One You Can Actually Trust ...

Abstract: Evidence theory provides a flexible framework to model and reasoning with epistemic uncertainty. To consider the natural relation among ordinal variables, within the ordered frames of ...

Dark energy is one of those cosmological features that we are still learning about. While we can't see it directly, we can most famously observe its effects on the universe—primarily how it is causing ...

Physicist Sean Carroll explains how physics, astronomy, philosophy, and classics all help us understand the expanding ...