American Institute of Physics

Designing an acoustic diode

Most people know about ultrasound through its role in prenatal imaging: those grainy, grey outlines of junior constructed from reflected sound waves. A new technology called an "acoustic diode," envisioned ...

Nov 01, 2013
4.5 / 5 (23) 0 | with audio podcast

A new weapon in the fight against superbugs

The ever-increasing threat from "superbugs"—strains of pathogenic bacteria that are impervious to the antibiotics that subdued their predecessor generations—has forced the medical community to look for bactericidal weapons ...

Oct 31, 2013
5 / 5 (4) 0

Safer nuclear fuels

Exploratory research on revolutionary new types of nuclear fuel pellets that would be safer in the event of a nuclear disaster has yielded promising results, according to a team of scientists from the University of Tennessee ...

Oct 29, 2013
3.8 / 5 (4) 4

Seeing in the dark

Thermal infrared (IR) energy is emitted from all things that have a temperature greater than absolute zero. Human eyes, primarily sensitive to shorter wavelength visible light, are unable to detect or differentiate ...

Oct 29, 2013
5 / 5 (8) 0 | with audio podcast

Cat's eyes: Designing the perfect mixer

As any amateur baker knows, proper mixing is crucial to a perfect pastry. Mix too little and ingredients will not be evenly distributed; beat instead of fold, and a soufflé will fall flat. Mixing strategies ...

Oct 29, 2013
4.5 / 5 (2) 0

Extracting energy from bacteria

Most of us wouldn't consider bacteria a promising energy source of the future. That would be shortsighted, says Leonard Tender, a microbial-electrochemist at the Naval Research Laboratory in Washington, D.C., who believes ...

Oct 29, 2013
4 / 5 (1) 0

Measuring blood sugar with light

One of the keys to healthful living with Type 1 and Type 2 diabetes is monitoring blood glucose (sugar) levels to ensure they remain at stable levels. People can easily and reliably do this at home using electronic devices ...

Oct 25, 2013
5 / 5 (5) 1

Birthing a new breed of materials

Where two different materials meet on the atomic level, a new material can be born that is neither one nor the other. The two parent materials do not mix – they remain distinct from one another – but their marriage begets ...

Oct 23, 2013
5 / 5 (7) 0 | with audio podcast

TopoChip reveals the Braille code of cells

Cells in the human body change shape as they crawl, split, or cling to other surfaces, but while the scientific literature is filled with examples of how cell shapes shift in response to things they touch, little is known ...

Oct 23, 2013
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