Definition of Kilogram to Change
Definition of Kilogram to Change
The unit of mass will no longer be defined by a lone physical object but instead in terms of a universal constant.
Definition of Kilogram to Change
Definition of Kilogram to Change

The unit of mass will no longer be defined by a lone physical object but instead in terms of a universal constant.

The unit of mass will no longer be defined by a lone physical object but instead in terms of a universal constant.

physics
Image of the Day: Cracked Skin
Image of the Day: Cracked Skin
Jef Akst | Oct 9, 2018
Micrometer-scale fractures in elephant skin results from the way the epidermis grows.
Physics Nobel Goes to Laser Pioneers
Physics Nobel Goes to Laser Pioneers
Ashley Yeager | Oct 2, 2018
Three researchers, Arthur Ashkin, Gérard Mourou, and Donna Strickland, who worked on optical tweezers and chirped pulse amplification win the 2018 award.
Renowned Physicist Stephen Hawking Dies
Renowned Physicist Stephen Hawking Dies
Ashley Yeager | Mar 14, 2018
Famed for his work on black holes and cosmology, he also survived decades with amyotrophic lateral sclerosis.
Opinion: Microbiology Needs More Math
Opinion: Microbiology Needs More Math
Mikhail Tikhonov | Oct 12, 2017
Empirical data and humans’ biased interpretations can only get so far in truly understanding life at the microscale.
Nobel Laureate and Laser Scientist Dies
Nobel Laureate and Laser Scientist Dies
Jef Akst | Oct 2, 2017
Nicolaas Bloembergen’s research laid the groundwork for the development of magnetic resonance imaging (MRI) technology.
Facing Brexit, U.K. Makes Science Deal with U.S.
Facing Brexit, U.K. Makes Science Deal with U.S.
Catherine Offord | Sep 22, 2017
The $88 million agreement is part of efforts by the UK government to increase transatlantic collaboration as the country prepares to leave the European Union.
MRI Pioneer Peter Mansfield Dies
MRI Pioneer Peter Mansfield Dies
Jef Akst | Feb 14, 2017
The Nobel laureate helped lay the groundwork for today’s ubiquitous magnetic resonance imaging machines.
May the Force Be with You
May the Force Be with You
Ning Wang | Feb 1, 2017
The dissection of how cells sense and propagate physical forces is leading to exciting new tools and discoveries in mechanobiology and mechanomedicine.
Nobel Laureate Dies
Nobel Laureate Dies
Catherine Offord | Apr 25, 2016
Walter Kohn, a theoretical physicist who shared the 1998 Nobel Prize in Chemistry, has passed away at age 93.