Albert Einstein may be most famous for his mass-energy equivalence formula E = mc2, but his work also laid down the foundation for modern quantum mechanics.
Quantum Physics
Jun 13, 2014
74
5
The US Defense Advanced Research Projects Agency (Darpa) has recently commissioned three private companies, Blue Origin, Lockheed Martin and General Atomics, to develop nuclear fission thermal rockets for use in lunar orbit.
Space Exploration
May 10, 2021
296
5550
We can model the motions of planets in the Solar System quite accurately using Newton's laws of physics. But in the early 1970s, scientists noticed that this didn't work for disk galaxies—stars at their outer edges, far ...
Astronomy
Jul 8, 2022
157
3200
The mystery ailment that has afflicted U.S. embassy staff and CIA officers off and on over the last four years in Cuba, China, Russia and other countries appears to have been caused by high-power microwaves, according to ...
Other
Dec 11, 2020
19
3342
Depending upon how you do the counting, there are around 9 million species on Earth, from the simplest single-celled organisms to humans.
Evolution
Sep 6, 2023
4
528
Over the short span of just 300 years, since the invention of modern physics, we have gained a deeper understanding of how our universe works on both small and large scales. Yet, physics is still very young and when it comes ...
General Physics
Apr 5, 2023
37
680
Don't look now—but we are currently experiencing a rash of stories about a forthcoming global catastrophe. But in a change from reports of pandemics and climate change, this global catastrophe is produced by the impact ...
Astronomy
Jan 7, 2022
0
1684
You must have heard that spider silk is stronger than steel. We all want to believe that there are wonder materials in nature that are far superior to human-made ones. But the problem with statements that sound too good to ...
Materials Science
Jun 7, 2013
4
5
To most people, complex technologies separate modern humans from their ancestors who lived in the Stone Age, thousands or hundreds of thousands of years ago. In today's fast changing world, older technologies, even those ...
Archaeology
Oct 9, 2023
0
403
On August 20 1977, 45 years ago, an extraordinary spacecraft left this planet on a journey like no other. Voyager 2 was going to show us, for the first time, what the outer solar system planets looked like close-up. It was ...
Astronomy
Aug 19, 2022
0
1384
