Physics
Scientists made clocks from an atomic nucleus
These super high-tech timepieces use the chemical element thorium to keep time. And as the clocks improve, they could help solve some mysteries in physics.
HS-ETS1-3
Evaluate a solution to a complex real-world problem based on prioritized criteria and trade-offs that account for a range of constraints, including cost, safety, reliability, and aesthetics, as well as possible social, cultural, and environmental impacts.
More Stories in HS-ETS1-3
- Environment
Hawaii is turning fishnets and other plastic trash into roads
Scientists are testing whether plastic pollution from the ocean can be transformed into safe and durable highways.
- Chemistry
Tabletop lightning helps make an alcohol used for fuels and more
Methanol is used in plastics, paints and as a race car fuel. It’s been hard to make. But engineers have found a simple trick: Add lightning to methane.
- Materials Science
Scientists Say: Metal-Organic Framework
Special pockets in these molecular structures make them useful in medicine, climate science and more.
- Tech
Pokémon Go players helped build new maps of cities
Players often upload pictures of landmarks. AI can use these to build a virtual 3-D model of a city, which robots might use like a map to navigate the real thing.
- Artificial Intelligence
AI may be giving teens bad diet advice
The meal plans that AI made for fictional teens cut an entire meal’s worth of calories per day.
- Plants
Perfect pitch? Scientists lay new grounds for World Cup ‘26
High-tech turfgrass carpets will be unrolled in 16 stadiums across North America — including five that must survive despite getting no natural sunlight.
- Chemistry
New polish could turn long nails into touchscreen styluses
It registers nails' touch by disrupting the touchscreen’s electric field. But this high-tech varnish isn’t ready to hit store shelves yet.
- Artificial Intelligence
Don’t trust AI for help with citations, science-fair judges warn
Fake, AI-generated citations have begun disqualifying major science-fair projects. Such ‘ghost’ references even haunt research journals.
- Artificial Intelligence
A new shield could guard AI agents against cyberattacks
A teen’s software could help guard AI that handles sensitive data against sneaky “prompt injection attacks.”
