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Search results for stack-and-draw

Nanomaterials Feb 6, 2024

Guanine synthesis yields new insights into nitrogen's role in nanocarbon catalysis

Recently, carbon-based catalysts—especially nitrogen-doped nanocarbons—have emerged as sustainable, reliable alternatives to the metal catalysts traditionally used to support chemical reactions.

Archaeology Jan 3, 2024

New England stone walls deserve a science of their own

The abandoned fieldstone walls of New England are every bit as iconic to the region as lobster pots, town greens, sap buckets and fall foliage. They seem to be everywhere—a latticework of dry, lichen-crusted stone ridges ...

Analytical Chemistry Dec 19, 2023

Electrocatalytic CO₂ conversion advancing toward large-scale deployment

Global CO2 emissions continue to grow, reaching 36.1 Gt in 2022, stimulating the implementation of carbon taxes and impacting energy use. The electrocatalytic CO2 reduction reaction (CO2RR) to produce high value-added chemicals ...

Education Dec 14, 2023

Arguments for and against 'high-stakes' exams: The evidence for using them doesn't stack up

Across Australia, students are receiving and digesting important exam results. University students began receiving their semester 2 results at the end of November. This week and early next week, Year 12 students are also ...

Social Sciences Dec 11, 2023

Literacy professor researches the 'meme-ing' of life and education

Sometimes going online can feel like an entirely new world. Whether it's a reference you don't understand, a running joke or a parody image, it's not uncommon to feel lost no matter your age. Still, there's hope for managing ...

Environment Nov 16, 2023

To meet climate goals, Gulf countries will have to overhaul everything

In Dubai, it's normal to leave your air conditioning running at all times, even if you go away for weeks. Qatar has the largest air-conditioned outdoor jogging tracks in the world. Across the United Arab Emirates, water is ...

Condensed Matter Nov 6, 2023

Detecting hidden defects in materials using a single-pixel terahertz sensor

In the realm of engineering and material science, detecting hidden structures or defects within materials is crucial. Traditional terahertz imaging systems, which rely on the unique property of terahertz waves to penetrate ...

Condensed Matter Sep 28, 2023

Recent manipulations of excitons in moiré superlattices

Light can excite electron and hole pairs inside semiconducting materials. If the attraction between a negatively charged electron and a positively charged hole (the antiparticle of electron in solid state physics) is strong, ...

Space Exploration Aug 17, 2023

Scientists propose adapting a Mars ISRU system to the changing Mars environment

Human missions to Mars will require a substantial launch vehicle to ascend from Mars to rendezvous with a waiting Earth return vehicle in Mars orbit. For an ascending crew of 6, the current best estimate of oxygen propellants ...

Space Exploration Jul 21, 2023

California Science Center starts complex process to display Space Shuttle Endeavour vertically

A highly technical process began Thursday in Los Angeles to put NASA's retired Space Shuttle Endeavour on permanent display in the vertical launch position complete with external tank and two solid rocket boosters.

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