So You’re Underwater: Why Do You See That Circle of Light Above You?
Have you ever sat on the bottom of a swimming pool and pondered your watery ceiling? Most of the surface is a sheet of light blue, and you can’t see …
physics
The Vacuum of Space Will Decay Sooner Than Expected
The original version of this story appeared in Quanta Magazine. Vacuum decay, a process that could end the universe as we know it, may happen 10,000 times sooner than expected. …
Does Jewelry and Big Hair Slow Down Olympic Runners?
Hold on, though. That’s a thick chain Lyles is wearing, and the watch itself probably weighs some 150 grams. So let’s say the mass of the jewelry is 250 grams …
The Physics of Cold Water May Have Jump-Started Complex Life
After 30 days, the algae in the middle were still unicellular. As the scientists put algae from thicker and thicker rings under the microscope, however, they found larger clumps of …
The Puzzle of How Large-Scale Order Emerges in Complex Systems
A complex system exhibits emergence, according to the new framework, by organizing itself into a hierarchy of levels that each operate independently of the details of the lower levels. The …
What Came Before the Big Bang?
Robert Brandenberger, a physicist at McGill University who was not involved with the study, said the new paper “sets a new standard of rigor for the analysis” of the mathematics …
Fusion Sparks an Energy Revolution
In 2024, fusion technology will finally make the transition from basic research to commercial application. The reason for that will be the construction and completion of the first commercial fusion …
How to Take the Perfect Soccer Penalty
The penalty was invented in England on February 14, 1891. It was the last minute of an FA Cup quarter-final between Notts County and Stoke City when a defender for …
Assam CEE 2024 result date announced: Scorecards to be made available on June 18 at astu.ac.in
Assam CEE Result 2024: The Assam Science and Technology University (ASTU) has announced that the results for the Assam Combined Entrance Examination (CEE) 2024 will be released on June 18. …
How Much Energy Would It Take to Pull Carbon Dioxide out of the Air?
Climate change. It’s bad, and it’s getting worse. The main cause is burning fossil fuels, which spews CO2 into the atmosphere. Carbon dioxide, as we all know too well by …