Electromagnetic automobile suspension demonstrated

The Eindhoven suspension is not only electromagnetic but also active, meaning that it doesn’t just mechanically respond to bumps in the road, but is controlled by an onboard computer. That computer receives input from accelerometers and other sensors on the vehicle, and adjusts the suspension accordingly within a fraction of a second. While active suspension is nothing new (at least, not for cars), it has previously mainly been integrated into hydraulic systems. According to the Eindhoven researchers, however, hydraulics can’t react as quickly as their electromagnetic system, and therefore can’t match the smoothness of its ride.

With a peak consumption of 500 watts, the suspension uses about a quarter of the power of hydraulic systems. It also stretches its battery life by using road vibrations to generate electricity. The designers believe that with refinements, the suspension’s energy-efficiency could be improved even further.

via Electromagnetic automobile suspension demonstrated.

Key music industry lawyer now EU copyright chief

The European Union’s new point person on copyright policy won’t take up her post until mid-April, but she’s already stirring up controversy. That’s because Maria Martin-Prat spent years directing “global legal policy” for IFPI, the global recording industry’s London-based trade group, before moving back into government. The appointment raises new questions about the past private-sector work of government officials, especially those crafting policy or issuing legal judgments on the same issues they once lobbied for.

The US has judges who used to be music industry lawyers sitting on copyright cases – I thought the EU had more sense than installing people with such clear conflicts of interests.

via Key music industry lawyer now EU copyright chief.

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