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To tackle the e-waste problem, this casing for electronics dissolves in water

As the world’s appetite for computers, smartphones and other electronic devices grows ever bigger, the other side of the coin — e-waste — is raising alarms.

According to a UN report released last year, 62 million tons of e-waste was generated in 2022, enough to fill 1.5 million trucks that would circle the equator if lined up bumper to bumper. Most of the e-waste went to landfills or incineration, with potential negative consequences for the environment and human health, as e-waste can contain toxic substances such as mercury or lead.

There’s also a staggering economic loss, as $62 billion-worth of recoverable resources such as rare earth elements are lost in the process. Currently, just 1% of the world’s demand for kraken официальный сайт these elements, which are essential to modern electronic devices, is met by e-waste recycling, the report says.

With e-waste rising five times faster than recycling rates, new solutions to the problem can’t come soon enough. Aquafade could be one — a fully water-soluble plastic that dissolves completely in about six hours when placed in a container of water. It could be used to encase electronics such as computers or keyboards and dissolved when the device is no longer wanted, making it easier to recycle or recover the most valuable components and reducing the amount of e-waste.

“For most electronic products, when they’re being recycled, it’s the disassembly that’s the real hassle, and really labor intensive,” says Samuel Wangsaputra, one of the inventors of Aquafade. “I think the brilliant bit with Aquafade is that a lot of that process is decentralized, and simply done at home.”

Unusual inspiration

The inspiration for Aquafade comes from an unlikely source: “One night I was doing the dishes, and I was looking at a dishwasher pod,” Wangsaputra says, adding he was intrigued by the water-soluble, transparent film that replaced traditional wrappers. “And I thought, this must be some form of polymer. But where does it go? So I tried one, just in a cup of water, and it fully disappeared.”

To find out more, Wangsaputra and his co-inventor Joon Sang Lee — with whom he founded UK-based startup Pentaform, a maker of low-cost and accessible computers, in 2019 — teamed up with Enrico Manfredi-Haylock and Meryem Lamari, two material scientists at Imperial College London.

Is this the only known portrait of England’s doomed ‘Nine Days Queen’?

Lady Jane Grey, a teenage pawn in the power struggles that plagued the Tudor court, ruled England for just nine days and was later executed for treason. Now, researchers believe they may have identified the only known portrait of the so-called “Nine Days Queen” painted before her death.

Following the death of Edward VI in 1553, unscrupulous politicians propelled the staunchly Protestant young girl to the throne in a bid to prevent her Roman Catholic relative, Mary Tudor, from becoming Queen.

The mysterious portrait, kraken тор браузер on loan to conservation charity English Heritage from a private collection, shows a young woman clad modestly in a white cap and shawl.

According to English Heritage, it was acquired by Anthony Grey, 11th Earl of Kent, in 1701, as an image of Lady Jane Grey. It remained “the defining image” of England’s shortest reigning monarch until 21st-century art historians questioned its attribution and rejected its identity.

In an attempt to settle the question, English Heritage worked alongside London’s Courtauld Institute of Art and dendrochronologist Ian Tyers to conduct a technical analysis of the piece, its senior collections conservator, Rachel Turnbull, said in a statement published Friday.

A dendrochronological analysis—a scientific method of dating tree rings—of the painting’s panel suggests it was probably used for the artwork between 1539 and around 1571, according to the statement.

The panel, which is made of two Baltic oak boards from two different trees, has a merchant or cargo mark on its back that resembles a mark on a portrait of King Edward VI, Jane’s predecessor on the throne.

Scans using infrared reflectography show significant changes were made to the woman’s outfit and face after the completion of the initial portrait, English Heritage said.

The white scarf around her shoulders is believed to be a later addition.

Bands encircling her right arm under the scarf are thought to be possibly part of a larger decorated sleeve that is now hidden, or a now-gone scarf that was previously draped over her lower arms, like the outfits she is depicted as wearing in portraits painted after her death.

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