Physics

NASA Television to Air Launch of Next Space Station Resupply Mission

NASA commercial cargo provider SpaceX is now targeting its 13th commercial resupply services mission to the International Space Station for no earlier than 11:46 a.m. EST Tuesday, Dec. 12.

Scientists 'paint' the world's smallest Mona Lisa on the world's largest DNA canvas

In 2006, Caltech's Paul Rothemund (BS '94)—now research professor of bioengineering, computing and mathematical sciences, and computation and neural systems—developed a method to fold a long strand of DNA into a prescribed shape. The technique, dubbed DNA origami, enabled scientists to create self-assembling DNA structures that could carry any specified pattern, such as a 100-nanometer-wide smiley face.

NASA Television Coverage Set for Space Station Crew Landing, Launch

Three crew members on the International Space Station are scheduled to end their mission and return to Earth on Thursday, Dec. 14, just days before another three space travelers begin their mission. Live coverage will air on NASA Television and the agency’s website.

United States has lost dominance in highly intense, ultrafast laser technology to Europe and Asia, new report finds

The U.S. is losing ground in a second laser revolution of highly intense, ultrafast lasers that have broad applications in manufacturing, medicine, and national security, says a new report. Currently, 80 percent to 90 percent of the high-intensity laser systems are overseas, and all of the highest power research lasers currently in construction or already built are overseas as well.

Physicists propose a new method for monitoring nuclear waste

New scientific findings suggest neutrino detectors may play an important role in ensuring better monitoring and safer storage of radioactive material in nuclear waste repository sites.

Towards data storage at the single molecule level

Similar to normal hard drives, so-called spin-crossover molecules can save information via their magnetic state. A research team has now managed to place a new class of spin-crossover molecules onto a surface and to improve its storage capacity. The storage density of conventional hard drives could therefore theoretically be increased by more than one hundred fold.

What gave early New Orleans jazz clarinets their unique sound?

The hauntingly beautiful "wailing" sounds of early New Orleans jazz clarinets, often featured in brass bands or jazz funerals, are one of the most distinctive instrument styles in American music. The unique sound begs the question: What's behind incredible their range of sound and tonal variety?

Microwaved exploding eggs make for an unusual acoustic experiment

Microwave ovens are often a fast way of warming food and have become a staple cooking appliance in both household kitchens and restaurants alike. If you have looked closely at the microwave's warnings or have experienced an accidental explosion, you know that certain foods pose a risk due to an increase in their internal pressure. Potatoes and hard-boiled eggs are among the most common culprits of potentially dangerous explosions. While both potatoes and eggs might explode, their mechanisms of bursting are different.

First step toward practical application of holographic memory with magnetic assist

In recent years, due to technology such as the Internet and 8K broadcasting, more information is being distributed across the world. Along with this trend, there is a demand for an innovative method for storing large volumes of data at ultra-high recording density and at ultra-high speed. Magnetic-holographic memory meets this demand. This new technology enables storing more than 1 TB of data on a disc the size of a DVD or Blu-ray. This is equivalent to the total capacity of 40 Blu-ray discs, each with a typical capacity of 25 GB

Scientists explain Rudolph, Grinch, Scrooge

A reindeer with a red glowing nose. A heart, two sizes two small, that suddenly grows three sizes. A trip to the past and to the future — all in one night. Researchers dug deep into their reserves of scientific expertise to explain how these inexplicable plot lines in holiday classics just might be (almost) possible.

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