Gold

An artist's rendering of the James Webb Space telescope
Dima Zel / Shutterstock

To date there has been 244,000 metric tons of gold discovered throughout history, and the vast majority of that gold is still in existence.

The history of gold spans every society and has been instrumental in the modern financial system. However, most people don’t know of the many ways gold impacts their daily lives.

For instance, every smart phone on earth has an estimated 50 milligrams of gold conductors that assist in resisting corrosion. A similar amount is used in televisions and computers, facilitating electrical conduction.

The yellow metal is also used to tint and increase the climate-controlling capabilities in glass. In high-end beauty, some products and treatments rely on the metal’s anti-aging properties and ability to increase circulation and improve skin elasticity and tone.


At the Gold Forum Americas event held earlier in the fall, the Investing News Network asked three gold experts from the World Gold Council about their favorite little known gold fact and was surprised by the answers they gave.

Gold and aerospace

The metal’s corrosion resistance and conduction abilities make it ideal for the aerospace sector. Gold plating improves the overall performance of electronic components by reducing susceptibility to temperature, wear and abrasion.

Along with silver, platinum and palladium, there is more than US$15,000 worth of precious metals in a modern jet engine.

Farther out, gold is instrumental in the suits astronauts wear to prevent radiation penetration and deflect the sun’s rays and heat. Surprisingly, gold also makes an ideal lubricant its malleability enables it to be processed into very thin sheets of film that coat and protect vital electronic parts and circuitry.

For David Tait, CEO of the WGC, gold’s space applications is one of the yellow metal’s best qualities.

“My favorite (gold fact) is the James Webb telescope,” he said. “I sit there glued looking at those pictures … it’s just nice to be part of something like that.”

The James Webb telescope's image of the pillars of creation

The James Webb telescope's image of the pillars of creation

Photo via Nasa

The telescope, which was 17 years in the making, launched in December 2021 with a goal of sending images of the “hidden universe” back to earth. Described as a reflecting telescope, Webb uses three different-sized mirrors to allow for a wide field of view.

The primary mirror is comprised of 18 smaller hexagonal mirrors that unfolded to create a concave structure once the telescope was in orbit. Although the mirrors are made of beryllium, a durable yet light element able to hold its shape in extremely low temperatures, gold is also an important component.

According to McGill University each beryllium mirror was coated in a very thin layer of gold.

“At about 100 nanometer thickness, (the coating) is roughly one ten-thousandth the thickness of a human hair,” the University reported. “The mirrors were placed in vacuum chambers where the gold was quite literally vaporized and deposited on the surfaces.”

From there, a layer of glass was placed over the gold to protect it.

Gold’s ability to reflect both visible light and other forms of radiation, particularly in the infrared range, made it the ideal material to enhance the mirror's capabilities.

“Our basic silver and aluminum mirrors here on Earth reflect 85-95 percent of infrared light, whereas gold reflects 99 percent," it read. “Gold is also relatively un-reactive, so it won’t tarnish easily.”

Gold and medicine

In the medical sector, gold nanoparticles and their reflection and absorption characteristics are an important tool in diagnostics and treatments. In photodynamic therapy, the nanoparticles penetrate cancer cells and are heated with light to destroy tumors.

Gold’s use in medicine is the favorite gold fact of Terry Heymann, chief financial officer at the WGC.

“I'm afraid to say you’ve been misled, gold is purple,” Heymann quipped.

He went on to explain: “When you take gold down to nanoparticle level, it's purple; the refraction of light through it changes and it becomes purple.”

This color variation has become especially important over the last two years in diagnostics.

“You know what you use purple gold for?” Heymann asked. “There are actually a wide variety of use cases. The one where it's most prevalent, is it's used in rapid flow testing kits.”

The rapid test kits that have now become synonymous with COVID-19 are made functional by gold nanoparticles, which produce the colored bars in the results window.

Gold and accessibility

According to the USGS, to date there has been 244,000 metric tons (MT) of gold discovered throughout history, and the vast majority of that gold is still in existence.

Despite its rarity, gold is becoming more accessible to investors and collectors around the globe. This makes Joseph Cavatoni, chief market strategist of the Americas at World Gold Council, happy.

“The fact that I think people need to have an appreciation for is the level of consumption in Western markets,” he said.

In fact, total gold demand rose 28 percent year-over-year during the third quarter to 1,181 MT. Investment demand did see a decline, however, as rising interest rates led to 227 MT of outflows from ETFs.

Gold’s history of hedging inflation and risk led to a 36 percent (351 MT) uptick in bar and coin purchases.

Since 2004, bar and coin demand in North America has soared from 9.55 MT annually to 1,801 MT in 2021. European consumption has followed a similar trajectory, reaching 1,567 MT last year.

For Cavatoni, ease of access has not only helped the bar and coin segment grow, but it also led to more investor interest in other areas.

“I've been pleasantly surprised at the amount of firms that are offering access to physical gold, the number of different venues where you can own it,” he said. “For example, you can own gold in your IRA portfolio in the US, your retirement portfolio — it's not really well known, but it's starting to become more commonly done.”

The global head of sales applauded the companies that are engaged in offering clear cut ways to gain exposure to the yellow metals value.

“I'm talking about the fact that you can own physical gold and the firms that are doing it (are) sophisticated, they're energized, they're thinking about technology, they're getting to young people, they're getting to different places where they're getting the traction,” Cavatoni added.

Tell us your favorite gold facts @INN_Gold and follow us for real-timeupdates!

Securities Disclosure: I, Georgia Williams, hold no direct investment interest in any company mentioned in this article.

Editorial Disclosure: The Investing News Network does not guarantee the accuracy or thoroughness of the information reported in the interviews it conducts. The opinions expressed in these interviews do not reflect the opinions of the Investing News Network and do not constitute investment advice. All readers are encouraged to perform their own due diligence.

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