Top Minerals and Gems Ranked by Hardness in 2025 Understanding the hardness of minerals and gemstones is crucial for ...

A groundbreaking scale that redefines gemstone durability by combining hardness, fracture toughness, and inclusions into a comprehensive framework for the gem and jewelry trade.

We tested the hardest materials we could find to demonstrate the power of water. The experiment begins with cutting obsidian ...

Apple’s newest iPhone Air, the company’s slimmest model yet at just 5.6mm, faced one of its toughest tests this week at the hands of Zack Nelson, the YouTuber behind JerryRigEverything. Known for ...

Artificial intelligence startup Invisible Technologies, a competitor of Scale AI Inc., is raising $100 million in a new funding round that underscores Silicon Valley investors’ interest in the ...

In the conflict between the United States and Venezuela, President Nicolás Maduro has called on the US government to de-escalate and warned against a "large-scale military conflict." "None of the ...

The geriatric depression scale is a self-reported screening survey to help detect depression in older adults. There’s a short version with 15 questions and a long version with 30. The geriatric ...

Scale AI, which helps tech companies prepare data to train their AI models, filed a lawsuit against one of its former sales employees and its rival Mercor on Wednesday. The suit claims the employee, ...

Tanita has revealed a new body mass scale and a set of step counters themed after Atlus’ Persona 5 Royal. The company has also opened pre-orders for the new products on its website in Japan. The ...