The Chinese firefighter drone and its possible uses

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On various tech blogs I've read quite a bit of excitement about these firefighting drones being pioneered in China. I think about it. The test shown in the video below shows the firefighter drone extinguishing flammable material suspended outside the building on scaffolding. How does a real fire start in an apartment building? One plausible scenario: An overloaded power strip or faulty appliance produces a spark. The sparkle spreads on the carpet, on the furniture, on the curtains. Now we have many… Read more

Developed industrial adhesive that melts with a magnetic field

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A team at the University of Sussex has developed a special industrial adhesive that can dissolve when placed in a magnetic field. This allows objects otherwise destined for landfill to be easily disassembled and recycled at the end of their life. Currently, objects such as cell phones, microwave ovens and car dashboards are assembled using an industrial adhesive that is practically inseparable except with the use of toxic and highly caustic products. It's a fast and relatively cheap way to make products, but it creates problems in… Read more