Peter Higgs, physicist who theorised Higgs boson, dies aged 94 ( www.bbc.com )
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The two hemispheres are electrically connected to each other and to an AC power supply, the ring is connected to the same AC supply but 180 degrees out of phase. Particles are charged and then injected into the trap, they are then alternately attracted to the ring and hemispheres causing them to oscillate and become trapped! As...
Physicist Richard Feynman wondered what would happen if an S-shaped lawn sprinkler, which rotates as water squirts out, were placed underwater and had its flow direction reversed, so that it sucked water in. Which direction would it rotate? Experiments have given conflicting answers, but now researchers have provided what...
I learned this week that many high speed CD-ROM drives used balancing balls on the spindle to stop discs from vibrating at 10Krpm....