While not getting as much attention as air pollution, noise pollution is one of the great scourges of modern cities. And, shocking as it may seem, graphene-based aerogels could help alleviate that.
Anyone who lives near an airport knows when a plane is taking off. Not the most relaxing experience in neighborhood.
There is growing evidence that noise pollution generated by road and air traffic can cause cardiovascular problems. I’m assuming it’s lost.
super light meringue
Therefore, one of the requirements for more sustainable aviation is noise emission and greenhouse gases.
and University of Baththey say this is new graphene base, an ultralight material shaped like a honeycomb.Features of this airgel reported in the journal scientific reports, will provide New insulation solutions for aircraft turbines.
With a weight of 2.1 kg, Lightest sound deadening material everIts inventors claim it reduces turbine noise by up to 16 decibels. More like a hair dryer than an aircraft turbine.
In addition, this graphene airgel offers other benefits such as electromagnetic shielding and heat dissipation. And all this with little increase in the total weight of the aircraft. In the future, it may also be used as an innovative construction material.
In terms of composition, the material developed by British university researchers is graphene oxide liquid Binds with polymer. Whip the mixture and freeze for a porous texture.
Professor Michele Meo, who led the study, compared it to the technique of beating eggs to make meringue. in short, extremely low density and high proportion of air.
The research team indicates that the new material could become available within 18 months.
omelet surprise Or how to bake ice cream without melting it
The University of Bath’s “meringue” is governed by principles very similar to those already pointed out by the American physicist Benjamin Thompson Rumford. His discoveries link him to other important scientific breakthroughs in the Enlightenment. Properties of Thermodynamic Laws.
Rumford was also active in the field of photometry and was a prolific inventor. However, in addition to his invention, Rumford High Performance Oven and thermal underwearhe is known for an interesting experiment that demonstrated the insulating properties of meringue.
The recipe he prepared today is known as Baked Alaska, omelet surpriseThis dish demonstrates meringue’s ability to insulate, making ice cream withstand the heat of the oven and flambe.
As told in The American Heritage Cookbook, Rumford claimed the recipe was “a byproduct of an 1804 investigation into the resistance of beaten egg whites to heat induction.”
Thus, enlightenment Created legendary sweets lasting 300 yearsIncidentally, it laid the groundwork for a more stealthy plane to fly over the house.
sauce: BBC, Cytec Daily,
