Lively robots
The small hybrid robots , produced through the use of stem cells from frog embryos , can one day be used to “navigate” inside our bodies to specific areas that require medication, or even to collect t microplastics in the oceans.
” These are new living machines . They are not traditional robots , nor is it a known animal species. ” It’s a new class of artifacts , a living, programmable organism,” said Joshua Bongard , a computer scientist and robotics expert at the University of Vermont , USA , who co – developed the robots . measuring only a few millimeters, known as ks enobots .
Internet for all
It seems that today we can not live without the Internet . And yet only about half the world’s population is connected to it . This is for many reasons , including economic and social reasons . But for some the internet is not accessible as they have no connection. Google is slowly trying to solve the problem by using helium balloons to transmit the Internet to inaccessible areas .
Facebook , meanwhile , has abandoned plans to do the same using drugs . This means that companies like Hiber are at the forefront . _ They are using a different approach , launching into the low orbit of Tokyo their own network of microsatellites , which have _ _ _ _ the size of a box of shoes sh .
They activate a modem on your computer or device when it flies nearby . Satellites orbit the Earth 16 times a day , and are already being used by organizations like The British Antarctic Survey to provide Internet access even in the most extreme climates of our planet .
Extinguishing forest fires through sound waves _ _ _ _ _ _ _
One day fires in the woods can be extinguished by dromedaries , which will create loud noises under the trees . Since sound consists of pressure waves, it can be used to disturb the air
surrounding a fire, interrupting the oxygen supply to the fire . Fire is extinguished at the right frequency, and this was recently demonstrated by researchers at George Magazine University in Virginia , USA , with their sound extinguisher . Apparently, bass frequencies work better.
Car batteries that charge for 10 minutes
Fast charging of electric cars is seen as the key to the rapid expansion of their use . This way , drivers can stop at a service station and fully charge their car for as long as they need to . _ _ _ _ _ to drink a coffee and go to the toilet .
But rapidly charging lithium-ion batteries can degrade batteries , say researchers at Pennsylvania State University in the United States. This is because the flow of lithium particles known as ions , from one electrode to another to charge the unit and conserve energy , does not occur smoothly during rapid charging at lower temperatures.
But they have discovered that if batteries can be heated to 60 ° C for just 10 minutes , and then cooled rapidly back to room temperature , damage from heat would be avoided . The project envisions a self-heating battery , using a thin sheet of nickel, which creates an electrical circuit , and which heats up in less than 30 seconds to heat the inside of the battery.
The rapid cooling that will be needed after charging the battery is accomplished through the cooling system installed in the car . Their study showed that they could fully charge an electric vehicle within 10 minutes .
Artificial neurons in silicon chips
Scientists have found a way to attach artificial neurons to silicon chips , mimicking neurons in our nervous system , and copying their electrical properties. ” Until today , neurons have been like ‘ black boxes ‘ . But we managed to open it and see inside , ” said Professor Al e Nogare , of the University of Bath , who led the project.
“Our work is changing the paradigm because it offers a powerful method for reproducing the electrical properties of real neurons in the smallest detail . But it’s more important because our neurons only need 140 nanowatts of power . ” This is one billionth of the power demand from a microprocessor ,” he said . Researchers hope their work could be used in medical implants to treat such as those of the heart ‘s and Alzheimer ‘s i , as it requires so little energy.
Floating farms
The UN predicts that by 2050 , the world will have 2 billion more people , creating an additional food demand of 70 percent . By then, 80 percent of us will be living in cities , and most of our food will be transported to urban areas .
Thus , farms anchored at sea or inland lakes near cities would reduce transportation costs . But what would these kinds of farms be like ? A project by H avier Pon s architect For for the company Thinking Architecture shows a 24 meter high structure, with 3 levels with solar panels at the top to provide energy.
At the intermediate level, a variety of vegetables will be cultivated in an area of 51 . 000 m 2, using not soil but nutrients. These nutrients but also plant nutrients will fall to the bottom layer to feed the fish, which are cultivated in an enclosed space.
A single ” Smart Floating ” farm with dimensions of 350 x 200 m would produce about 8.1 tons of vegetables and 1.7 tons of fish per year. The units are created to come together, which is useful as we will need a lot of them . For example Dubai , imports daily 11 . 000 tons of fruits and vegetables. / ScienceFocus – Bota.al