The Fabricator

XYZ, YBC, and LRA: understanding coordinate systems for CNC tube bending

Y, B, and C relate to the axis names most manufacturers use on CNC tube benders. LRA stands for length, rotation, and angle, ...

A tug-of-war explains a decades-old question about how bacteria swim

Scientists have uncovered a new explanation for how swimming bacteria change direction, providing fresh insight into one of ...
IEEE

Numerical Research on the Effect of Propeller Rotation Direction on the Propulsion Performance and Load Difference of Inner and Outer Propeller in a Four-Screw Ship

Abstract: In the actual sailing of the four-screw ship, due to the asymmetrically distributed wake, the inner propeller and outer propeller show obvious load difference. The load difference will ...
Consumer Reports

Set Your WiFi to Automatically Shut Off So Your Kids Will Go to Sleep

Digital media use—mobile phone, computer, internet, and social media—at nighttime or near bedtime is associated with shorter sleep duration and poorer sleep quality, and it can be especially damaging ...
IEEE

Direction of Arrival Estimation for the Coexistence of Uncorrelated and Coherent Signals via Rotation Spatial Differencing Method

Abstract: This paper presents a novel direction of arrival (DOA) estimation method via rotation spatial differencing technique that offers high resolution, robustness, and stable performance. To ...
Wales Online

BT says Wi-Fi router mistake 'sends half your signal away from your house'

BT has cautioned customers that they could be broadcasting half of their wi-fi signal outdoors if they position their hub or router in a 'common' spot. According to BT, this blunder happens when ...
PC Magazine

We're Still Recommending TP-Link Routers, Despite Security Concerns. Here's Why

The sale of TP-Link routers and mesh systems may soon be banned in the US. Here's why we're not pulling our TP-Link recommendations (yet), and what you can do to keep your Wi-Fi network safe. I’m the ...