See also stories tagged with Light-emitting diode

Search results for LED

Other 12 hours ago

Tokyo's streets reveal hidden gaps in urban inclusion and quality

Citywide measures of urban sustainability can conceal sharp differences between neighborhoods. A city may appear to provide good streets overall while some areas lack greenery, openness or pedestrian-friendly space where ...

Agriculture 13 hours ago

Q&A: What's innovative about canned food?

To most consumers, canned food is an everyday convenience, but to John Coupland, professor of food science at Penn State, each can represents more than two centuries of invention, experimentation and problem-solving.

Social Sciences 13 hours ago

Parental benefit encouraged people to have children in Estonia, but fathers mainly applied for financial reasons

A generous parental leave reform was introduced in Estonia in 2004. This increased the likelihood of a second or third child being born into the family and also shortened the interval between births, according to Sanan Abdullayev's ...

Condensed Matter 13 hours ago

Sapphire-grown semiconductor film sets bandgap record

Semiconductors with wider bandgaps could pave the way for smaller, more efficient electronics that can handle far higher voltages, but the wider this gap becomes, the harder it is to control how well a material conducts electricity. ...

Economics & Business 23 hours ago

Private business fortunes reveal overlooked source of wealth and inequality in America

A majority of Americans blame billionaires for the nation's ever-growing income and wealth divide. But economists Eric Zwick and Owen Zidar say there's a much larger but little-known cadre of very rich folks who may be even ...

Education Oct 21, 2026

Holding out or holding back? Kindergarten redshirting and retention shifted sharply during the pandemic

By the time a child reaches the age of 4 or 5, most parents and caregivers have heard about "kindergarten readiness." But what if a 5-year-old still struggles to count to 10, sing the alphabet song or play cooperatively with ...

Social Sciences Oct 21, 2026

U.K. exam board science specifications reveal gender gap that may influence girls' STEM choices

An absence of women scientists in U.K. exam board specifications for science could be a factor in the disproportionate number of girls dropping STEM subjects at 16 and contribute to the gender gap in STEM careers, new research ...

Molecular & Computational biology Oct 21, 2026

How rice coordinates signals to partner with beneficial soil fungi

Most plants do not gather nutrients from the soil entirely on their own. Many form partnerships with microscopic fungi that grow inside their roots and extend into the surrounding soil. These partnerships, known as arbuscular ...

Plants & Animals Oct 21, 2026

Hearing laughter may cause orangutans to value rewards more

A new study from Indiana University shows that being in a positive mood leads orangutans to value what they learned more strongly. The study comes from the lab of Erica Cartmill, professor of animal behavior, anthropology ...

Earth Sciences Oct 21, 2026

Salt marshes are proving to be powerful allies in building a climate-resilient coastline

Salt marsh sediment and vegetation can remain largely intact even during extreme storm surges. This was demonstrated in a large-scale experiment in which researchers transported sections of salt marsh to an experimental facility ...

page 4 from 40