By: Jacob Madden
Have you ever wondered how nuclear physicists discover subatomic particles like quarks, muons, and leptons? It is not possible for them to use a microscope and take a peak inside the quantum world. Instead, they use giant particle accelerators, instruments that are able to accelerate...
Biography: Antoine Lavoisier
By: D. Vogt
Antoine Lavoisier (1743-1794) was a French aristocrat, businessman, and chemist best known for his successful attack on the Renaissance theory of phlogiston and his contributions to the law of conversation of mass, the periodic table of elements (in his time, only existing in list form)...
Biography: Joseph Priestley
By: D. Vogt
Joseph Priestley (1733-1804) was a Dissenting theologian and an Enlightenment-era chemist. He is best known for his pioneering study of oxygen, although it occurred within the context of the now-rejected Renaissance theory of "phlogisticated air" which plagued European chemistry until late in his lifetime. -...
Stephen Hawking says God was 'not needed' to create universe
By: D. Vogt
In the last several years, famous retired Cambridge physicist Stephen Hawking has made headlines several times for advancing claims which seem bold, even if they are largely restating conclusions long held by a large number of his professional colleagues. He has, for instance, suggested that...
By: Ramona Taylor
In April 1990, when the Hubble Space Telescope (HST) was launched into orbit, scientists had high hopes that the telescope would help them map out the visible universe; however, few were really prepared for the Hubble revelations about the unseen world of dark matter and...
By: Perry McCarney
Particle accelerators are not as divorce from our experience as most of us probably believe. The cathode ray tubes that enabled our old-style television sets, prior to the various flatscreen technologies, and computer screens to function were essentially low-power particle accelerators. Many of us still...
By: B. J. Deming
In November 2006, Alexander Litvinenko, a former KGB agent who had been granted asylum in the United Kingdom, took 3 weeks to die of radiation poisoning from polonium. Polonium’s discoverers, the Curies, would have been horrified. As Marie Curie once said, “I am...
By: Leigh Goessl
On Wednesday, September 8, 2010 two small asteroids passed near to Earth in two separate incidents. Over the last several days NASA officials have been watching these asteroids closely. Asteroids 2010 RX30 and 2010 RF12 are not visible to the naked eye, however with powerful...
The Large Hadron Collider: Greatest physics experiment in the world
By: Tenebris
On March 30, 2010, two beams collided at 7 TeV at the Large Hadron Collider, setting the world record for the highest energy man-made particle collisions to date. The first article based on previous, lower energy LHC collisions has been completed as of March 7...
How to teach kids about the night sky
By: Joan Collins
The night sky fascinates children and their parents with its beauty and mystery. As you gaze into the night sky with your kids, pointing out the Big Dipper and the Little Dipper, their eyes fill with wonder at the vastness of the evening sky. Why...

 

1 391 392 393 394 395 547
CHOOSE YOUR SCIENCES 360 TOPIC: