MIT Video - Double Cone and Plane

MIT Video - Double Cone and Plane A double cone is placed on the bars of an inclined plane. Instead of rolling down the plane the cone rolls up. Although the plane slants upward, the bars diverge so that the rotational axis of the cone, which passes through the center of mass, actually moves downwa...

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Global PlayStation 4 sales reach 2.1 million units

And Sony wants to make sure you know that the tally accounts for actual sales to consumers, not just shipments to retailers' stockrooms. Sony's PlayStation 4 has hit another important milestone, some two weeks after the console launched. Sony on Tuesday announced that global PlayStation 4 sales have reached 2.1 million units worldwide. The company was quick to point out that the tally includes actual sales to consumers and not merely...

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Cyber Monday Sales Reach Record as Shoppers Snub Stores for Web

Online shopping surged about 20 percent to a record on Cyber Monday as many consumers snubbed physical stores and took to the Web to buy holiday gifts. Including shopping on personal computers and mobile devices, Internet retail sales on the Monday after Thanksgiving rose to almost $2 billion, according to researcher ComScore Inc. (SCOR) That made it the heaviest Web-spending day ever for the fourth straight year. More than $23.9 billion has been spent on the Web through PCs alone since Nov. 1, an 8.4 percent gain from the same period...

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Confirmed: Energy Drinks Are Bad For Your Heart

Fact: There are things in this world that, though delicious and convenient, are horrible for our bodies. Under dire circumstances, we may let ourselves indulge in a prepackaged brownie or some ramen noodles, but a new study reveals why we probably shouldn't reach for an energy drink — no matter how much we think we need the caffeine. A research team at the University of Bonn in Germany have found that energy drinks take a serious toll on our...

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Apple Said Developing Curved IPhone Screens, New Sensors

Apple Inc. is developing new iPhone designs including bigger screens with curved glass and enhanced sensors that can detect different levels of pressure, said a person familiar with the plans. Two models planned for release in the second half of next year would feature larger displays with glass that curves downward at the edges, said the person, declining to be identified because the details aren’t public. Sensors that can distinguish heavy or light touches on the screen may be incorporated into subsequent models, the person said. With...

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