Tag Physics
Dental delight! Tooth of sea urchin shows formation of biominerals
Some of the most common minerals in biology, including those in bones and shells, have a mysterious structure: Their crystals are positioned in the same orientation, making them behave as one giant crystal, even though they do not look like a faceted crystal.
Giant collider back in gear, sets record for collision intensity
On Nov. 30, the world's largest scientific instrument, the Large Hadron Collider, set a record when it smashed one stream of protons against another and then accelerated the beams to 1.18 trillion electron volts, exceeding the record held by Fermilab in Illinois since 2001.
Scientists hope to mimic nature’s dynamos
In the cosmos, all celestial objects - planets, stars, galaxies and clusters of galaxies - have magnetic fields. On Earth, the magnetic field of our home planet is most easily observed in a compass where the needle points north.
Curiosities: How big is space?
Space is probably infinite, but we can see only the part that contains stars or galaxies whose light has been able to reach us, says…
Photo essay: Cold digger
Fifty years ago, UW scientist Charlie Bentley made his maiden voyage to a frigid, faraway land – and he’s been returning ever since.
Sea urchin yields a key secret of biomineralization
The teeth and bones of mammals, the protective shells of mollusks, and the needle-sharp spines of sea urchins and other marine creatures are made-from-scratch wonders of nature.
Heart of the Matter
Underground in Europe, thousands of scientists — using the largest accelerator ever built — are conducting a thrilling hunt. They’re looking for tiny particles that are the source of all matter’s mass, hoping to solve some of the biggest mysteries in physics. And UW–Madison researchers are right at the center of the action.
World’s biggest particle accelerator begins operation
After more than 15 years of planning and preparation, the Large Hadron Collider (LHC), the world's most powerful particle accelerator, started operating this morning (Sept. 10).
Curiosities: What’s behind the claims that the new particle accelerator in Europe may create black holes that could destroy the Earth? Should we be worried?
When the Large Hadron Collider starts running this summer near Geneva, Switzerland, some physicists have predicted that some of its high-energy proton collisions could…
South Pole researchers training this week at UW’s Physical Sciences Lab
This week marks the annual "Driller and Deployer Workshop" for research staff who will work at the South Pole as part of the well-known IceCube Neutrino Observatory project.
Particle accelerator may reveal shape of alternate dimensions
When the world's most powerful particle accelerator starts up later this year, exotic new particles may offer a glimpse of the existence and shapes of extra dimensions.
Hot subjects—Physics 206: ‘Seeking Truth: Living with Doubt’
Physics professor Marshall Onellion has a new job title this semester: official tackling dummy for his freshmen students. It’s part of his scheme to provoke controversial discussion and to get his students really thinking. Oddly enough, he’s instigating this debate in a physics class.
Mother-of-pearl: Classic beauty and remarkable strength
While the shiny material of pearls and abalone shells has long been prized for its iridescence and aesthetic value in jewelry and decorations, scientists admire mother-of-pearl for other physical properties as well.
Physicists find way to ‘see’ extra dimensions
Peering backward in time to an instant after the big bang, physicists at the University of Wisconsin–Madison have devised an approach that may help unlock the hidden shapes of alternate dimensions of the universe.