We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

When it comes to mastering precision leather crafting, one tool stands head and shoulders above the rest — the skiving knife.

An analytical study of the electron trajectories between two opposite electrodes having curved surfaces is undertaken for the case when the electron transit time exceeds the RF period. The analysis is ...

Even for avid online shoppers, it can be difficult to navigate Amazon, especially during major sales events like the Amazon ...

In the past 24 hours starting 8 am Monday, the Island City and western suburbs have recorded an average rainfall of 1 millimetre ...

A new method fuses Phase Measuring Deflectometry and Shape from Polarization, enabling precise 3D imaging of specular ...

This paper proposes a modeling method for Frequency Selective Surface (FSS) units on curved surfaces. By fine-tuning the shape of FSS units on the unfolded surface, precise arrangement on surface is ...