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Compact stabilizer for DJI Osmo Mobile 3 smartphones

17.08.2019

Manufacturer of drones and video equipment, DJI has introduced a new handheld gimbal for smartphones Osmo Mobile 3. Compared to previous models, it has become lighter, more compact and more functional.

The main change is a new foldable design that allows you to take the gimbal with you, placing it in a small purse or backpack. When folded, the dimensions of Osmo Mobile 3 are only 157x130x46 mm. At the same time, the manufacturer did not save on functions, moreover, he returned the power button, which was in the first generation Osmo Mobile.

The controls have been simplified to make it easier to use with one hand, and the foldable design allows quick access to all ports. The battery life is 15 hours, which is about the same as the previous model. It takes 2,5 hours to fully charge.

The company noted that the lack of the ability to fold the Osmo Mobile stabilizers of the first two generations was one of the most common complaints, along with the difficulties users encountered when switching the smartphone orientation from vertical to horizontal and vice versa. Osmo Mobile 3 has solved these problems.

DJI is using some of the smart features it has developed for its drones in the new gimbal. In addition to special modes for various shooting scenarios, Osmo Mobile 3 supports the Active Track tracking system based on machine learning and computer vision algorithms. In addition, there are features such as single-frame shooting, slow motion mode, panorama, gesture control and a scene mode that automatically edits the footage. All functions of the gadget are available in the DJI Mimo mobile app.

Osmo Mobile 3 is available now for $119. A set with a tripod and a carrying case will cost $139.

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EPFL engineers have built and tested a solar reactor that can generate hydrogen from sunlight and water. The system is not only highly efficient in producing hydrogen, but also captures oxygen and heat waste to also be used.

Hydrogen is set to become a key player in renewable energy, and one of the most efficient ways to produce it is to break down water into its constituent molecules. When this process is carried out using solar energy, it is called artificial photosynthesis, and this is the process that the new reactor uses.

The EPFL reactor looks like a satellite dish, and it works on a similar principle - a large curved surface collects as much light as possible and concentrates it on a small device suspended in the middle. In this case, the dish collects heat from the Sun and focuses it about 800 times on the photoelectrochemical reactor. Water is pumped into this reactor, where solar energy is used to split molecules into hydrogen and oxygen.

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"With an output power of over 2 kilowatts, we have exceeded the 1 kilowatt limit for our pilot reactor while maintaining a record high efficiency for this large scale," said Sophia Haussener, corresponding author of the study. "The rate of hydrogen production achieved in this work is indeed an encouraging step towards the commercialization of this technology."

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