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Probing Question: How do dimples make golf balls travel farther?

Physics / General Physics

created Jun 21, 2007 | popularity 3.7 / 5 (19) | comments 0

A golfer's worst enemy may be divots, but his or her best friend may be dimples -- the dimples on a golf ball that send it sailing farther down the fairway.


Microswimmer propels itself with near-zero friction

Physics / General Physics

created Jun 04, 2007 | popularity 4.5 / 5 (47) | comments 0

Scientists have found that a very slender micro-sized swimmer can propel itself without friction by surface treadmilling. The microswimmer moves by generating backward surface motion at the front end of itself, which is then ...


Nanotech in Space: Experiment To Weather the Trials of Orbit

Nanotech in Space: Experiment To Weather the Trials of Orbit

Nanotechnology / Nanomaterials

created Nov 24, 2009 | popularity 4 / 5 (2) | comments 0

Novel nanomaterials developed at Rensselaer were sent into orbit on Nov. 16 aboard Space Shuttle Atlantis.


DNA gripped in nanopores

Nanotechnology / Bio & Medicine

created May 14, 2009 | popularity not rated yet | comments 0

Molecular biologists, including the cool dudes from CSI, use gel electrophoresis to separate DNA fragments from each other in order to analyze the DNA. A team of researchers under the leadership of Vici winner Serge Lemay, ...


Air pressure matters when landing on sandy planets

Air pressure matters when landing on sandy planets

Physics / General Physics

created Jul 03, 2007 | popularity 4.3 / 5 (6) | comments 0

A steel ball dropped into loose, fine sand makes an impressive splash, according to physicists of the Physics of Fluids group investigating the fluid-like properties of sand at the University of Twente in ...


Quantitative approach to forensic fingerprint comparison studied

Technology / Computer Sciences

created Nov 30, 2009 | popularity not rated yet | comments 0

The National Institute of Justice (NIJ) has awarded researchers at Virginia Tech a two-year, $854,907 grant to develop a quantitative approach to measuring and establishing a standard for "sufficiency" of information available ...


Nanotech in Space: Rensselaer Experiment To Weather the Trials of Orbit

Nanotech in Space: Rensselaer Experiment To Weather the Trials of Orbit

Nanotechnology / Nanomaterials

created Nov 12, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Novel nanomaterials developed at Rensselaer Polytechnic Institute are scheduled to blast off into orbit on November 16 aboard Space Shuttle Atlantis.


Physicists Investigate Controversy over Room-Temperature Ice

Physics / General Physics

created Aug 05, 2008 | popularity 4.4 / 5 (39) | comments 8

(PhysOrg.com) -- By confining water in nano-sized spaces, physicists from Leiden University in the Netherlands have turned water into ice at room temperature. While it’s not the first time scientists have created room-temperature ...


Quantum Levitation

Researchers see exotic force for first time

Physics / General Physics

created Jan 07, 2009 | popularity 4.8 / 5 (28) | comments 17

(PhysOrg.com) -- For the first time, researchers have measured a long-theorized force that operates at distances so tiny they’re measured in billionths of a meter, which may have important applications in ...


Carbon nanotube

Carbon nanotubes are superior to metals for electronics

Nanotechnology / Nanomaterials

created Mar 20, 2009 | popularity 4.9 / 5 (9) | comments 0

In the quest to pack ever-smaller electronic devices more densely with integrated circuits, nanotechnology researchers keep running up against some unpleasant truths: higher current density induces electromigration ...


The Physics Of A Bump In A Rug

The Physics Of A Bump In A Rug

Physics / General Physics

created Oct 20, 2009 | popularity 3.7 / 5 (7) | comments 0

Scientists often have to make sacrifices for their work. Physicist Dominic Vella chopped his bathroom rug into strips, and L. Mahadevan's coauthor ran off with his bookshelf. With these sacrifices, these two ...


Bouncing Bucky Balls

Nanotechnology / Nanomaterials

created Oct 16, 2007 | popularity 4.2 / 5 (14) | comments 1

C60 molecules have an intriguing ball-shaped structure that suggests several interesting possibilities for motion on surfaces. Indeed, researchers have found that the passage of electrons through a bucky ball in a transistor ...


Space shuttle experiment to provide insights into turbulence, heating

Space shuttle experiment to provide insights into turbulence, heating

Physics / General Physics

created Mar 23, 2009 | popularity not rated yet | comments 0

A Purdue University aerospace researcher helped shape plans to install a new experiment currently on the space shuttle Discovery to collect data for controlling deadly friction and heating in the design of ...


Engineering the world's fastest swimsuit

Technology / Engineering

created Feb 28, 2008 | popularity 4.1 / 5 (17) | comments 0

A highly specialised computer modelling technique developed at The University of Nottingham has been instrumental in the design of a revolutionary new swimsuit which is now being hailed as the fastest in the world.


Pendulum Finds Virtual Soulmate

Physics / General Physics

created Jun 14, 2007 | popularity 3.5 / 5 (10) | comments 0

What's nerdier than creating an online avatar that fights dragons and raids strongholds? Creating a virtual pendulum that you can sync up to your real-life pendulum. Leave it to physicists to do just that, resulting in a ...