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Putin needs a mass conscription for war. But it could destroy him

Moscow launched its 'most massive' attack on Kyiv overnight, with the Russian president considering mobilising troops to ...

Deltarune Chapter 5: How to Solve the Mysterious Puzzle

As you progress through the Flower world in Chapter 5 of Deltarune, you’ll come across plenty of tricky puzzles, many of ...

Geometric anti-spring works near absolute zero, suppressing vibrations below 0.185 hertz

Physicists and instrument makers in Leiden have succeeded in optimizing a spring that almost completely filters out ...
IEEE

Resonant Frequency Reduction of Vertical Vibration Energy Harvester by Using Negative-Stiffness Magnetic Spring

Abstract: This work studies the resonant frequency reduction of vibration energy harvesters so as to adapt low-frequency ambient vibrations. In a typical electromagnetic vibration energy harvester, it ...

34 Gardening Products That Actually Work And Have The Photographic Evidence To Prove It

A reviewer literally shoved their arm into a thicket of thorns to prove these "gauntlet gloves" protect against scratches and ...

‘Cats Go Crazy’ For This Scratcher — And It’s ‘Saving The Ends Of Beds And Couches’

Made with high-density corrugated paper and a wood slat frame, reviewers say it’s more durable than other models they’ve ...
IEEE

Observer Based Adaptive Neural Networks Fault-Tolerant Control for Pneumatic Active Suspension With Vertical Constraint and Sensor Fault

Abstract: This paper treats the problem of a pneumatic active suspension considering uncertain parameters and displacement constraints under the presence of sensor failure and unmeasured states. A ...