Renewable energy: solar-powered weeding robot can work 24 hours a day without recharging. Currently, there are more than 50 of them spread across Europe.
Currently, the world is trying to drastically reduce the emission of polluting gases. Thinking about revolutionizing the world of renewable energy in agriculture, many scientific projects have been developed to reduce the size of machines, extend the level of automation and, not least, use solar energy to harm the environment less and less. For this, a solar-powered planting and weeding robot was developed, capable of precisely cutting weeds and carefully plowing the soil between rows of delicate plants.
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The new weeding robot was created by the company Farmdroid and is recommended for plantations of up to 20 hectares in organic crops. In this context, weeding also helps to reduce the use of chemicals and pesticides.
And it doesn't stop there, seeding uses GPS technology to determine the position of each individual seed. In addition, the equipment works with four solar panels and external batteries, allowing the robot to work 24 hours a day without needing to be recharged.
Currently, there are more than 50 solar powered weeding robots working in 6 countries in Europe. If you thought about acquiring one, you will have to pay around R$427 thousand reais. Did you find it expensive? The developers guarantee that, at most, after two years of using the model, the owner will already see the return on investment.
Bladeless turbines could revolutionize wind farms and change the world of renewable energy
Vortex Bladeless, a tech start-up based in Spain, is developing wind turbines that don't need blades (or propellers). One of the objectives is to be able to use these turbines in urban and residential spaces, where the impact of ecological parks would be too great, as they do not threaten bird migration patterns or wildlife.
Resembling a “giant straw”, turbines without blades (or propellers), according to their creators, came to change the world of renewable energy.
Looks can be deceiving, but even without the propellers, the Vortex can turn breezes of air into energy, but in a different way. Instead of using the circular motion that the blades make, the new turbine uses so-called vorticity, an aerodynamic effect that produces the pattern of rotating vortices. Vorticity has been considered the greatest enemy of architects and engineers, who try their best to work around these eddies of wind in certain types of buildings. However, the founders of Vortex bladeless, David Suriol, David Yáñez, and Raul Martín, saw an opportunity in this.
