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Blue Origin shifts its launch pad setup to speed up New Glenn's return

Blue Origin announced changes to its launch pad setup -- a move that will speed up New Glenn's return to action. Mike Johnson rolls eyes as press breaks birthright citizenship ruling What is ...
Reuters

China places 20 Japanese entities on export control list for dual-use items

BEIJING, June 29 (Reuters) - China added 20 Japanese entities on Monday to its export control list for dual-use items, preventing Chinese firms from selling to them without prior approval, citing ...
Rolling Stone

4 Non Blondes Ignite ‘Rockin’ Eve’ With Cathartic Anthem ‘What’s Up?’

4 Non Blondes took over the stage during Dick Clark’s New Year’s Rockin’ Eve With Ryan Seacrest and delivered the most potent performance of the night so far. Perry bellowed out the chorus — “So I ...
IEEE

Sensorless Speed Control of Brushed DC Motor Using High-Frequency Signal Injection

Abstract: This paper proposes a sensorless speed control method for brushed dc motors that extends the usable speed estimation range by combining current-ripple analysis with high-frequency signal ...
ecoustics

20 Essential 4K Blu-ray Test Discs for Home Theater Setup

These 4K Ultra HD Blu-ray discs will help you stress-test your home theater setup, from visual effects to acoustic performance. When it comes to setting up your home theater, a 4K Blu-ray player and a ...
IEEE

Smooth Speed Control for Electric Drives Based on Adaptive RBF Neural Network Method

Abstract: Smooth speed control is crucial for high-performance electric drives in electric aircraft applications. However, inevitable torque ripple sources, such as cogging torque and current sampling ...