Flight tracking service Flightradar24 hacked; 230,000 accounts affected

By Waqas
One of the largest flight tracking services, Flightradar24, which shows
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Step the Halbach from My Magnets

[Klaus Halbach] gets his name attached to these clever arrangements of permanent magnets but the effect was discovered by [John C. Mallinson]. Mallinson array sounds good too, but what’s in a name? A Halbach array consists of permanent magnets with their poles rotated relative to each other. Depending on how they’re rotated, you can create some useful patterns in the overall magnetic field.

Over at the K&J Magnetics blog, they dig into the effects and power of these arrays in the linear form and the circular form. The Halbach effect may not be a common topic over dinner, but the …read more

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Homeland Security Will Begin “Heightened Screening” of Phones on All US-Bound Flights

In March, the agency announced a ban on electronics on US-bound flights coming from the Middle East and North Africa. Continue reading Homeland Security Will Begin “Heightened Screening” of Phones on All US-Bound Flights

Aubrie O’Rourke Trained Dolphins, Researched HIV, and Is Helping NASA Get to Mars

And she’s just getting started. Continue reading Aubrie O’Rourke Trained Dolphins, Researched HIV, and Is Helping NASA Get to Mars

Aubrie O’Rourke Trained Dolphins, Researched HIV, and Is Helping NASA Get to Mars

And she’s just getting started. Continue reading Aubrie O’Rourke Trained Dolphins, Researched HIV, and Is Helping NASA Get to Mars

Tiny Robot Clings To Leaves With Static Electricity

Flying is an energy-intensive activity. The birds and the bees don’t hover around incessantly like your little sister’s quadcopter. They flit to and fro, perching on branches and leaves while they plan their next move. Sure, a quadcopter can land on the ground, but then it has to spend more energy getting back to altitude. Researchers at Harvard decided to try to develop flying robots that can perch on various surfaces like insects can.

Perching on surfaces happens electrostatically. The team used an electrode patch with a foam mounting to the robot. This allows the patch to make contact with …read more

Continue reading Tiny Robot Clings To Leaves With Static Electricity