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Window panes generate electricity

16.07.2014

Researchers at the Massachusetts Institute of Technology (MIT) have come up with a new way to use ordinary windows. Thanks to the work of scientists, it is possible to use windows as a source for the production of electrical energy.

The basis of the new development is photocells that cover the window on both sides. They are created using organic molecules that need infrared radiation to produce energy. In this case, visible light passes through them. The electricity obtained in this way can be used to operate various devices.

Attempts to create transparent solar panels have been made before, but the resulting batteries either had a very low efficiency (less than 1%), or did not transmit light well enough, which is not the most suitable option for window glass.

MIT researchers have developed a unique cell chemistry that delivers high visible light transmission when partially interacting with a reflective coating, and is more efficient than previous versions.

Developers have achieved to date an efficiency of only 1,7% of the ability to absorb solar panels. In the future plans of the group - to achieve an efficiency indicator of 12%.

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FN Evolys ultralight machine gun 16.09.2021

The Belgian company FN Herstal presented the FN Evolys ultralight machine gun at an arms exhibition in London.

The machine gun will be available in two versions, caliber 5,56 mm and 7,62 mm. One of the main features of the FN Evolys is its weight, which is only 5,5 kg in the 5,56 version and 6,2 kg in the 7,62 mm version. For comparison, the weight of the equipped RPK, which is used in the Armed Forces of Ukraine, is 5,46 kg.

According to the developers, the machine gun combines the ergonomics of an assault rifle and firepower with belt feed. This is an unprecedented advantage in the existing arms market.

The FN Evolys is a new type of machine gun that will complement the existing line of FN Minimi, FN Mag and FN M2HB-QCB machine guns.

Characteristics of the new machine gun:

A two-way fire switch with a semi-automatic firing mode.
The effective firing range is 800 meters (5,56 mm) and 1000 m (7,62 mm).
Rate of fire - 750 rounds per minute.
Stock adjustment in height and length.

FN Evolys also has a rail that allows you to install different types of sights. The weapon can be supplemented with a bipod for greater stability when firing.

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