Designers are attracted to tantalum’s unusual blue-gray sheen. But then their artisans learn how dense it is and start complaining about broken tools.
Category: Metals and Minerals
-
Zircons Are Not the Gem You Probably Think They Are
There is a lot of confusion between zircons, a mined mineral, and cubic zirconia, an inexpensive synthetic crystal. But jewelry designers know the difference.
-
Pandora Now Only Sources Recycled Metals for Its Jewelry
Is that as good as it sounds?
-
Bitcoin Funds Are Here. But You Probably Don’t Need Them.
Fear of missing out isn’t a great reason for investing in the new Bitcoin funds, our columnist says. Plus, Bitcoin may already be hidden in your portfolio.
-
Timepieces Set in Stone
Watches with ornamental hard stone dials are making a comeback, but they still are quite rare.
-
U.S. to Limit China’s Ability to Benefit From Electric Vehicle Industry
The Biden administration issued new rules to prevent Chinese firms from supplying parts for electric cars set to receive billions of dollars in tax credits.
-
U.S. Debates How Much to Sever Electric Car Industry’s Ties to China
Some firms argue that a law aimed at popularizing electric vehicles risks turning the United States into an assembly shop for Chinese-made technology.
-
So Thieves Nabbed Your Catalytic Converter. Here’s Where It Ended Up.
The pollution control devices contain valuable metals, making them a hot commodity for recycling. Some beneficiaries of the thefts look the other way.
-
So Thieves Nabbed Your Catalytic Converter. Here’s Where It Ended Up.
The pollution control devices contain valuable metals, making them a hot commodity for recycling. Some beneficiaries of the thefts look the other way.
-
A New Law Supercharged Electric Car Manufacturing, but Not Sales
President Biden’s 2022 climate act spurred big investments in U.S. battery factories, but it has not similarly boosted E.V. sales.
-
In the World’s Driest Desert, Ancient Wisdom Blooms Eternal
Burned out from life in New York, a photographer traveled to northern Chile to study the ancient wisdom of the Lickanantay, the area’s Indigenous people. Here’s what she saw.
-
From the Sea and Desert to Silver Creations
Native American artisans create molds from cuttlebone and tufa stone to cast metal jewelry.