Explaining why ice floats
By: D. Vogt
Fortunately for life on Earth, water is a unique compound: it actually gets less dense when it freezes. This is unusual in the physical universe: as a general rule, all chemicals are at their densest when they freeze, grow less dense as liquids, and finally...
Difference between potential and kinetic energy
By: D. Vogt
Energy can be said to exist in, among other forms, two basic forms: potential and kinetic. Potential energy is essentially stored energy: energy which exists within the position of elements of a system. Through work, this stored or potential energy may then be transformed into...
Interesting facts about argon
By: James Johnson
Argon is an element and a noble gas, difficult to make into and keep as a liquid. Saying something is a "Noble Gas" means that it is almost always a vapor, "stands alone" and mixes with very little else, and was considered similar to the...
The real meaning of E=MC2
By: Samrat Man Singh
In one of Albert Einstein’s revolutionary scientific papers published in 1905, E=mc2 was introduced. Since then, E=mc2 probably has been the most famous equation in the world. E=mc2 has become overwhelmingly popular in the society. Even people with no background in physics have at...
What properties define a solid?
By: D. Vogt
Solid is one of the states of matter, alongside liquid, gas, and plasma. A solid is the lowest-energy and usually densest form of matter, characterized by molecules which are closely packed together; solids hold their shape in normal conditions, and have a fixed volume based...
Interesting facts about sulfur
By: James Johnson
Elements are the basic building blocks of all substances and many elements have very interesting facts about them, many of which are little known. One such element is Sulfur, also spelled as Sulphur in British Schools (though the Royal Society of Chemistry states the Sulfur...
How to come up with ideas for school chemistry projects
By: James Johnson
Chemistry, it is an important and fun subject for all students, but can be extremely boring without projects that can hold the student's interest. The projects need to be fun, exciting and yet safe, especially for those students just starting out. Something as simple as...
By: David Thackston
Electromagnetic pulses, common referred to as EMPs, are highly concentrated bursts of electromagnetic radiation. There are two primary ways in which an electromagnetic pulse is created, either by a solar storm, which releases charged solar gas, or by nuclear detonation. While EMPs caused by the...
Report: Iran targets, blinds CIA satellite
By: Terrence Aym
On December 17, 2011, Israel's YNet News broke the story of Iran's successful attack on a CIA satellite. The news sent shock waves around the intelligence world. On the heels of Iran hacking into and hijacking a top secret U.S. drone, the ground-to-space laser...
Why and how absolute zero is -273.15 Celsius
By: Kevin Wijaya
First of all, there must be a mistake in the title. Absolute Zero is not -273.15 Kelvin, but it is -273.15 Celcius. Now, you may wonder, how do people get that number? What is actually the meaning of Absolute Zero? In order to...

 

1 22 23 24 25 26 547
CHOOSE YOUR SCIENCES 360 TOPIC: