Due to shortages of natural resources like oils and fossil fuels, researchers are creating energy with alternative sources. From what it seems, our bodies may be more useful than we give them credit for. As a matter of fact, our sweat can power various electronics, including radios. In this case, so can our tears, as they have been found to contain a protein called lysozyme.
Lysozyme has an innate antibacterial property, as its main role is to protect against infection by breaking down bacterial cells. While many other known piezoelectric materials contain toxic elements like lead, Stapleton says lysozyme’s nontoxic, organic quality could make it useful to biomedical technology.
Big words aside, applying pressure to the protein creates a small electrical charge. That electrical charge can power medical devices such as pacemakers, and can eventually be used to replace old batteries. Head of study Aimee Stapleton explained that lysozymes crystallize, which make them hassle-free and thus make their usage relatively easy to develop.
“I was interested in lysozyme because it can be crystallized really easily, which makes it easier to study,” she says, “because crystallized structures tend to show piezoelectricity.”
The protein is apparently more conductive than other materials, which makes them a good alternative to replace old batteries with, but don’t worry — scientists aren’t going to start making people cry. Lysozymes are apparently also present in egg whites. Maybe chicken farmers are the ones who should be stoked.
At present, some 795 million people don’t get the proper nourishment they need. While the number is staggering, only a few farms and soup kitchens are taking action. This Australian family is playing its part, feeding dozens of families with produce from its 1-acre permaculture farm.
At Limestone Permaculture Farm, they grow organic produce, raise sheep goats and chickens, keep bees, and even build with recycled materials. Much of the farm is powered by energy from wood, water, and the sun.
In essence, permaculture pays homage to natural ecosystems and how they function. Instead of growing a single crop in large-scale, permaculture integrates symbiosis so different plants may flourish. Owners of Limestone, Nici and Brett Cooper, believe that permaculture is the future of food.
“We feel there has been an awakening across our beautiful country, self-reliance is on the rise again; urban and rural homesteading has people taking their food and energy supply back into their own hands.”
To encourage the unique farming technique, the Coopers offer workshops, internships, and permaculture design programs to tourists. As it seems, permaculture is opening doors for rural communities and, in turn, also helping out the needy.
Challenging regular sources of energy such as solar, wind, and hydropower are some unusual contenders. Thanks to the growing innovativeness of professionals and amateurs alike, it’s possible to harvest energy from walking and even sweating. Now, scientists are harvesting biofuel from kelp forests growing in the Pacific Ocean.
Kelp is transformed into biofuel by a process called thermochemical liquefaction. The kelp is dried out, and the salt is washed away. Then it’s turned into bio-oil through a high-temperature, high-pressure conversion process.
Biofuels are sustainable and non-polluting, making them great contenders against fossil fuels. Extracting the product from kelp is low-maintenance and unbelievably fast. Asian countries, in particular, are well-versed in the kelp industry, growing it primarily as a food source. However, this is where American startups may be biting off more than they can chew.
“They already have a pre-existing infrastructure that’s pretty sophisticated for growing and harvesting. It’s harvesting for food and other products… And that’s a much better starting point than small companies in the U.S. that try to go from ground zero to a transportation fuel.”
Nonetheless, open-ocean farming is very much a possibility in terms of biofuel production. With 71% of the planet’s surface water-covered, utilizing oceans for the benefit of the environment isn’t such a bad idea.
At this point in time, we are all familiar with the potential of solar power. It can run anything from trains to villages, which makes home installations a no-brainer. However, the devices don’t come cheap, which is why the U.K. government aims to build free solar panels in 800,000 homes in the next five years.
The deal “is set to create over 1,000 new jobs for people”, many of whom “will be tasked with installing and maintaining the panels”. These positions will first be “offered to military veterans”, who will also receive training “for new maintenance careers”.
Energy firm Solarplicity is donating the panels to low-income households, which could save families £240 on bills per year. But that isn’t where the fun stops. Residents will also receive smart meters that indicate energy usage throughout the day.
It’s “by far and away the largest renewable energy scheme of its kind in the UK”… and has been bolstered by a £160m investment from Dutch firm Maas Capital.
It’s a charitable move by the U.K. government that I hope successfully sees the light of day (pun entirely intended).
Solar farms are becoming a country staple. They exist in China, in the playful shape of a panda. You’ll also find them in the Middle East. What we haven’t seen is a solar farm from one continent hooked up to another. Now, a solar farm in Africa may be lighting up Europe.
Tunisia-based TuNur filed a request in the North African country to export 4.5 gigawatts of solar energy to Europe, enough to power 5 million homes or 7 million electric cars.
If my understanding is correct, we now have the technology to import power from other countries. Way to drop a bomb, TuNur! The project is also moving at a fast pace. By 2020, it will connect solar plants in Tunisia with Italy and France.
This link will form part of the EU’s Project of Common Interest plan, which funds infrastructure developments that benefit the EU as a whole.
Vital to the success of the project is cost — reducing rates per megawatt hour. That and a number of border disputes. Despite the struggle, supporters of the project remain hopeful for energy cooperation.
In the war against plastic, the U.K. is proving itself to be a leading champion. Its ban on cosmetic microbeads and large-scale installation of water fountains is doing wonders for the nation. Now, Queen Elizabeth is taking her own measures against waste, phasing out plastic straws and bottles in all royal estates.
A palace spokesman told the press that there was a “strong desire to tackle the issue” at the highest levels. “Across the organisation, the Royal Household is committed to reducing its environmental impact,” he said.
On top of its plastic wipe-out, the palace itself is getting a green makeover. Solar panels will line its lush gardens, and the building will sport more efficient energy and composting systems. With 300 million tons of trash a year making their way into tranquil oceans, the Royals aren’t a family to be stagnant about it.
Prince Charles has delivered several speeches about damage to the oceans… he warned of an “escalating ecological and human disaster” from refuse in the seas. Charles and Dame Ellen MacArthur… offer a million-dollar cash prize to anyone with a great idea for keeping garbage out of the ocean.
I tip my hat off to you, Royal family. And I’m sure the fish do, too.
So far in engineering realms, only Dyneema has given steel materials a run for their money. Now integrated into an everyday backpack, Dyneema is pushing researchers to develop more industrial-strength products. With sustainable options on the rise, wood is the first to make its way up the ladder. Owing it entirely to science, a newly developed “super wood” is 10 times stronger than its normal counterpart.
“It is as strong as steel, but six times lighter. It takes 10 times more energy to fracture than natural wood. It can even be bent and moulded at the beginning of the process.”
The magic behind it is a simple treatment and heated compression process. Super wood will likely wriggle its way into buildings and even vehicles, as the material is practically bulletproof.
“It is particularly exciting to note that the method is versatile for various species of wood and fairly easy to implement,” says engineering scientist Huajian Gao.
The affordable process that requires no more than various liquids and most any type of wood is truly inventive. I wouldn’t mind an indestructible rocker in my living room to save on furniture expenses.
With the rise of solar power comes a great hurdle — bringing it into households. While scientists at the University of Exeter have masterminded glass solar blocks, those at UC Berkeley are working down to the atom. To bring cheaper options to the table, UCLA research teams are testing a solar gadget that creates hydrogen and electricity.
Along with the usual positive and negative electrodes, the device has a third electrode that can either store energy electrically or use it to split water into its constituent hydrogen and oxygen atoms – a process called water electrolysis.
The pocket-fitting tool produces clean energy to power appliances and vehicles. It also incorporates nickel, iron, and cobalt into hydrogen production, replacing platinum, which is scarce.
“Hydrogen is a great fuel for vehicles: It is the cleanest fuel known, it’s cheap and it puts no pollutants into the air – just water,” says [study head Richard] Kaner.
With a lot of work, UCLA’s newest contraption could do wonders for infrastructure and hydrogen cars. It may even bring a little sunshine to rural communities.
The era of Energizer batteries has climaxed. Nowadays, the electrochemical cells are powered by unusual sources, spit included. Other new devices don’t even need them. At any rate, updated technology can’t phase them out entirely — so inventor group Ossia has paved middle ground. The solution? A battery that only requires air to charge.
[Ossia’s Cota] transmitter broadcasts a directed and concentrated RF signal towards a given device in a room, which is absorbed by the gadget’s own RF antennas inside, and turned into usable power.
Alas, for gadgets such as iPhones and Fitbits, RF antennas will have to be external. But, as tech circles are, Ossia has an alternative up its sleeve: the Cota Forever Battery.
Featuring the exact same size, form factor, and power output of a traditional AA battery, it can be inserted into a battery-powered device to instantly and easily make it compatible with Cota wireless power transmitters.
Ever dream of never having to switch out obnoxious television remote batteries? It may be time to wake up — the future’s just arrived!
New Zealand’s 1 billion tree-planting goal is proof that society is recognizing nature’s benefits. Anyway, city trees do cut down community expenses by up to $500 million. Besides producing oxygen, plants reduce air pollution and carbon emissions — and can now light up in the dark.
A team of MIT engineers have created living bioluminescent lamps out of watercress plants with the goal of one day replacing conventional electrical lighting with the glowing greenery.
The enzyme responsible for the Green Lantern glow is luciferase, active primarily in fireflies. For now, the plants glow dimly for around 4 hours at a time. With the project continuing to progress, scientists are hoping to at least pull leafy desk lamps from the experiment.
“The vision is to make a plant that will function as a desk lamp — a lamp that you don’t have to plug in. The light is ultimately powered by the energy metabolism of the plant itself,” says Michael Strano, a Professor of Chemical Engineering at MIT.
If MIT is drafting a customer waitlist, I’m definitely first in line. My electricity bill could use one less zero!