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Smart brake light for bicycles

25.01.2021

Like any smart device, smart bike brake lights can be annoyingly difficult to use. As a rule, existing models on the market need to be synchronized with a smartphone or smart watch, since they rely on third-party sensors and GPS modules to work. The new Otto brake light, designed by Texan engineers Jeff Johnson and Jonathan Fehn, doesn't need anything like that. Despite the presence of smart functions, this gadget is made as simple as possible.

The user just needs to install Otto on the bike and forget about it. After installation, the device does everything on its own.

When the user gets on the bike, the integrated inertial sensor detects movement. The device is activated and the ambient light sensor measures the brightness of the environment. This allows Otto to automatically adjust the brightness of the glow depending on the weather and time of day.

Perhaps the most interesting feature is the brake light. When the bike slows down, Otto flashes quickly to signal a change in speed.

The only hardware button on the lamp serves to enable a special mode for riding in a convoy with other cyclists. In this case, additional LEDs are activated, which signal the acceleration or deceleration of the user.

The light will automatically turn off when the bike has not been moved for a predetermined amount of time. Four main red LEDs have a total brightness of 350 lumens. The charge of the built-in accumulator suffices them approximately for 15 business hours.

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Random news from the Archive

houseplant for diabetes 12.07.2007

Gardenia jasmine - a common indoor plant of the madder family (that is, a relative of coffee and cinchona) - comes from China.

Gardenia fruits have been used in Chinese medicine for thousands of years to treat the most common form of diabetes (although ancient Chinese physicians did not know that the cause of this disease was insufficient insulin production). Now employees of the University of Nanjing have proved in experiments that the extract from the gardenia fruit stimulates pancreatic cells that synthesize insulin. They were able to isolate from the fruits of the plant a low-molecular aromatic compound genipin, which inhibits the action of a special protein that inhibits the production of insulin in diabetic patients.

Experiments have so far been carried out on a culture of pancreatic cells; the matter has not yet reached clinical trials. Gardenia fruit extract is also used in traditional Chinese medicine as an anti-inflammatory agent, and has recently been found to have antitumor activity as well.

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