Peculiar, junior-sized supernova discovered by New York teen
In November 2008, Caroline Moore, a 14-year-old student from upstate New York, discovered a supernova in a nearby galaxy, making her the youngest person ever to do so. Additional observations...
View ArticleOptical atomic clock becomes portable
You imagine a clock to be different -- yet the optical table with its many complicated set-ups really is one. Optical clocks like the strontium clock in the Physikalisch-Technische Bundesanstalt (PTB)...
View ArticleUsing lasers to cool and manipulate molecules
(PhysOrg.com) -- "For years, we have been using laser cooling to trap and manipulate atoms," David DeMille tells PhysOrg.com. "This has been very useful for both basic science and many applications....
View ArticleMars Express heading for closest flyby of Phobos (w/ Video)
ESA's Mars Express will skim the surface of Mars' largest moon Phobos on Wednesday evening. Passing by at an altitude of 67 km, precise radio tracking will allow researchers to peer inside the...
View ArticleMost extreme white dwarf binary system found with orbit of just 5 minutes
(PhysOrg.com) -- An international team of astronomers, including Professor Tom Marsh and Dr Danny Steeghs from the University of Warwick, have shown that the two stars in the binary HM Cancri...
View ArticleNASA develops enhanced search and rescue technologies
NASA, which pioneered the technology used for the satellite-aided search and rescue capability that has saved more than 27,000 lives worldwide since its inception nearly three decades ago, has...
View ArticleExplained: the Doppler effect (w/ Video)
Many students learn about the Doppler effect in physics class, typically as part of a discussion of why the pitch of a siren is higher as an ambulance approaches and then lower as the ambulance passes...
View ArticleNew look at relativity: Electrons can't exceed the speed of light -- thanks...
When resolving why electrons can never beat the speed limit set by light, it might be best to forget about time. Thanks to insight from studying movement inside a biological cell, it seems that light...
View ArticleScientists reverse Doppler Effect
(PhysOrg.com) -- Researchers from Swinburne University and the University of Shanghai for Science and Technology have for the first time ever demonstrated a reversal of the optical Doppler Effect ...
View Article169 years after its discovery, Doppler effect found even at molecular level
Whether they know it or not, anyone who's ever gotten a speeding ticket after zooming by a radar gun has experienced the Doppler effect a measurable shift in the frequency of radiation based on the...
View ArticleResearchers use Doppler Effect for computer gesture control
(Phys.org) -- Researchers from Microsoft and the University of Washington have together created a system whereby a computer user can use hand gestures to instigate a limited set of computer commands...
View ArticleRadar technology: Now housed within thumbtack-sized chip
Today's parking assistant systems enable drivers to safely park their cars even in the narrowest of gaps. Such sophisticated parking aids, and also manufacturing robots which, to move about in unknown...
View ArticleA low-cost, finger-nail sized radar
European researchers have squeezed radar technology into a low-cost fingernail-sized chip package that promises to lead to a new range of distance and motion sensing applications. The novel device...
View ArticleStar Wars: What would hyperspace travel really look like?
The sight of the Millennium Falcon making the "jump to lightspeed" is one of the most iconic images from the Star Wars trilogy.
View ArticleThe 3D fireworks of a star
In 1901 the star GK Persei gave off a powerful explosion that has not stopped growing and astonishing ever since. Now a team of Spanish and Estonian astronomers has reconstructed the journey of the...
View ArticleAstronomers suggest new telescopes could detect biomarker gasses in exoplanet...
(Phys.org)—Astronomers in the Netherlands write in a paper published in The Astrophysical Journal, that construction of new ground based telescopes could allow for discerning if small exoplanets have...
View Article90 million laser shots bring wind satellite back on track
(Phys.org) —Developing new ways of monitoring Earth is always demanding, but ESA's Aeolus mission has faced some particularly difficult technical challenges. However, with the success of intense...
View ArticleCold atoms for quantum technology
Researchers from the National Physical Laboratory, University of Strathclyde, Imperial College London and University of Glasgow have developed a portable way to produce ultracold atoms for quantum...
View ArticleDual radar storm analysis technique works even with one, research says
(Phys.org) —Scientists may be able to better study how supercell thunderstorms work by using the data from just one Doppler radar unit and an analysis technique called synthetic dual-Doppler (SDD) that...
View ArticleResearchers find way to measure speed of spinning object using light's...
(Phys.org) —Researchers in Scotland have devised a way to use the Doppler Effect to discern the spin speed of a rotating object where the object is directly facing the light source. In their paper...
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