Featured Research

from universities, journals, and other organizations

Drippy Faucets Offer Lesson In Physics

Date:
February 6, 2009
Source:
University of California/Irvine
Summary:
To Peter Taborek, a drippy faucet is a physics experiment. Taborek uses high-speed video to capture the motion of drops and bubbles coming apart. Knowing the details of this "pinch-off" process is important when designing inkjet printers, because ink must form a single droplet without trailing liquid.

Three images, taken approximately 1/10,000 of a second apart, show a drop pinching off from a column of fluid. This process occurs in water from a kitchen sink, but it is too fast to see.
Credit: Images courtesy of Peter Taborek

To Peter Taborek, a drippy faucet is a physics experiment. Taborek uses high-speed video to capture the motion of drops and bubbles coming apart. Knowing the details of this “pinch-off” process is important when designing inkjet printers, because ink must form a single droplet without trailing liquid. It also is useful in biotechnology when fluid is used on microchips, and it has applications in cosmetics, food and structural materials industries.

“When water drips from your kitchen faucet, it spontaneously forms a long filament of fluid that connects to the falling drop,” says Taborek, UC Irvine physics professor. “The connection point shrinks to zero in a characteristic way that we have studied in detail, down to atomic dimensions."

In a recent study, published in the journal Physical Review Letters, Taborek and colleague Justin Burton analyze the pinch-off process of xenon bubbles in water. Xenon gas is used in lamps and lasers and has been used as a general anesthetic.

The scientists discovered the main difference between drops and bubbles is the density of the liquid inside. The pinch-off process is bubble-like until a certain density is reached, then the pinching becomes drop-like.

“In addition to providing amusement for physicists and mathematicians, the pinch-off process in drops and bubbles is a model system to study how one thing turns into two things,” Taborek says. “This is common in nature, ranging from the Big Bang to cell division.”

The National Science Foundation funded this study.


Story Source:

The above story is based on materials provided by University of California/Irvine. Note: Materials may be edited for content and length.


Cite This Page:

University of California/Irvine. "Drippy Faucets Offer Lesson In Physics." ScienceDaily. ScienceDaily, 6 February 2009. <www.sciencedaily.com/releases/2009/02/090201124930.htm>.
University of California/Irvine. (2009, February 6). Drippy Faucets Offer Lesson In Physics. ScienceDaily. Retrieved October 20, 2014 from www.sciencedaily.com/releases/2009/02/090201124930.htm
University of California/Irvine. "Drippy Faucets Offer Lesson In Physics." ScienceDaily. www.sciencedaily.com/releases/2009/02/090201124930.htm (accessed October 20, 2014).

Share This



More Matter & Energy News

Monday, October 20, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

'Robotic Eyes' Helps Japan's Bipedal Bot Run Faster

'Robotic Eyes' Helps Japan's Bipedal Bot Run Faster

Reuters - Innovations Video Online (Oct. 16, 2014) Japanese researcher uses an eye-sensor camera to enable a bipedal robot to balance itself, while running on a treadmill. Jim Drury reports. Video provided by Reuters
Powered by NewsLook.com
Lockheed Martin's Fusion Concept Basically An Advertisement

Lockheed Martin's Fusion Concept Basically An Advertisement

Newsy (Oct. 15, 2014) Lockheed Martin announced plans to develop the first-ever compact nuclear fusion reactor. But some experts said the excitement is a little premature. Video provided by Newsy
Powered by NewsLook.com
First Confirmed Case Of Google Glass Addiction

First Confirmed Case Of Google Glass Addiction

Buzz60 (Oct. 15, 2014) A Google Glass user was treated for Internet Addiction Disorder caused from overuse of the device. Morgan Manousos (@MorganManousos) has the details on how many hours he spent wearing the glasses, and what his symptoms were. Video provided by Buzz60
Powered by NewsLook.com
Science Proves Why Pizza Is So Delicious

Science Proves Why Pizza Is So Delicious

Buzz60 (Oct. 15, 2014) The American Chemical Society’s latest video about chemistry in every day life breaks down pizza, and explains exactly why it's so delicious. Gillian Pensavalle (@GillianWithaG) has the video. Video provided by Buzz60
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Space & Time

Matter & Energy

Computers & Math

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins