Video games: Good for the brain?
Materials as hard as snail teeth

SHORT NEWS

With gold against steamed-up glasses

#Gold #glasses #material science #materials #science

Researchers at ETH Zurich have developed a coating for eyeglasses that heats up lenses with sunlight. The invention is intended to prevent them from fogging up.

The wafer-thin, transparent coating made of gold converts sunlight into heat, according to ETH. This prevents humidity from condensing on the surface. The coating could be used on eyeglass lenses and car windows, among other things.

A special feature of the coating is that it selectively absorbs solar radiation, said ETH researcher Iwan Hächler, who played a key role in the development. "It lets the radiation in the visible range through, but absorbs a large part of the invisible infrared radiation and thus heats up." Unlike existing anti-fog sprays, this coating is also permanent, he says, so you only have to do it once.

Only a little gold needed

Now products with the new type of coating are to come onto the market. ETH Zurich has applied for a patent for the development. "The technical prerequisites are already there. We have used a coating method that is already being used in industry," said Hächler.

The gold needed for the coating should not make the product noticeably more expensive. The gold price for coating a pair of spectacle lenses is in the range of 20 centimes.

Written by: sda

Photos: Screenshot Youtube

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a baby in a newborn ward

AI diagnoses heart defects in babies

An artificial intelligence (AI) developed by Zurich researchers recognises a specific heart defect in newborns. According to the researchers, it has the potential to reduce the number of missed diagnoses of pulmonary hypertension.
April 29th, 2024
the new robot can mimic the softness of materials

Robot reproduces the softness of materials

A new robot can precisely mimic the softness of various materials. In future, medical students could use it to practise detecting malignant tumours or researchers could feel the softness of an object in space.
May 6th, 2024
PEBE

Are CO2 absorbers the saviors of the climate crisis?

In the fight against climate change, gigatons of carbon dioxide will have to be removed from the atmosphere over the course of the century - using so-called carbon dioxide removal (CDR) technologies are giving people new hope.
June 12th, 2024
pedestrians at a zebra crossing

New car camera detects pedestrians 100 times faster

A new type of car camera recognises obstacles 100 times faster than previous driver assistance systems. In future, this technology should help to brake cars in good time if a pedestrian suddenly runs into the road.
August 5th, 2024
Pedestrians walk on planks across a flooded square in Switzerland.

Climate change causes global economy to shrink significantly

According to a new forecast, the global economy is at risk of shrinking by around a fifth by the middle of the century due to climate change.
August 19th, 2024