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The STAMP camera shoots at a speed of 4,4 trillion. fps

24.08.2014

The speed of light is almost 300 km/s. Huge significance, if we remember that the length of the Earth's equator is "only" 000 km. Only recently has it been possible to fix the "movement of light" at a speed that is discernible to humans. This method will be called femtophotography.

According to the journal Nature, Japanese scientists have managed to invent the fastest such camera in the world. It is capable of taking pictures at a speed of 4,4 trillion frames per second (4), which is about three orders of magnitude faster than existing cameras of this kind. The image resolution is 400 x 000 pixels. The camera, or rather the technology, was called STAMP (Sequentially Timed All-optical Mapping Photography).

Scientists assure that thanks to this camera, it is possible to capture in detail the process of heat conduction, which occurs at a speed of about 1/6 of the speed of light. At the moment, installation possibilities are limited due to its large dimensions. The area of the system is about 1 m2.

The development of STAMP lasted about three years. Scientists are sure that after reducing the dimensions of the installation, their device will be able to find application in many areas, for example, in medicine or laser technology.

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Scientists from the Institute of Physical Chemistry of the Polish Academy of Sciences have developed a new type of power source. A battery with a relatively high voltage and a long service life is a "breathing" cathode based on enzymes, carbon nanotubes and silicates.

The new battery can be used primarily to power various implants, such as pacemakers or contact lenses with automatic focal length change or a projector that transmits an image directly to the retina. Ordinary batteries are not suitable for these purposes, because they contain strong acids and other active substances that are hazardous to health.

Polish scientists decided to develop a bioaccumulator that does not need to be charged: just place electrodes in the body, and they will start generating electricity. Bioaccumulators have been known for a long time: everyone probably remembers the school experiment with potatoes, which generated electricity when electrodes were connected. Unfortunately, most experimental bioaccumulators produce a low voltage of 0,6-0,7 volts. However, Polish researchers have managed to create a bioaccumulator that delivers a much higher voltage for many hours: 1,75 volts. This is already enough to power many implants and promising neurointerfaces.

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During the experiments, the new energy source produced a voltage of 1,6 volts for at least 1,5 weeks. Over time, the efficiency of the device decreases, probably due to the gradual degradation of the enzyme on the biocathode. The developers believe that the life of the new bioaccumulator can be extended even with existing technologies.

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