Curated Video
Diffusion - Part 2: Hot vs Cold Fluids
In part 2 of a 3 part discussion on fluid diffusion, Dr. Boyd explains and demonstrates the effect of temperature on diffusion.
Minute 0:30 – Introduction
Minute 0:41 – What you need
Minute 0:54 – Explanation
Minute 1:47 – Safety
Minute...
Curated Video
How To Read A Thermometer
Dr. Boyd explains what a thermometer is, the units that temperature is measured in, and how to properly read a thermometer. Then he demonstrates a thermometer in action in hot and cold conditions.
Minute 0:30 – Introduction
Minute 0:55...
Curated Video
Homemade Ice Cream
Along with guest co-host Sarita, Dr. Boyd shows you how to make homemade ice cream while explaining endothermic processes.
0:00 – Introduction
0:22 – What you’ll need
0:47 – Explanation of endothermic & exothermic processes
1:45 –...
Veritasium
The kg is dead, long live the kg
Will this be the last video I make about SI units? Quite possibly. There's something about being so precise and defining the systems within which science works. When we can more accurately and routinely measure a kilogram, a mole, a...
Veritasium
Half the universe was missing... until now
Explore the fascinating journey to uncover the universe's missing baryons—ordinary matter that had eluded scientists for decades. From the origins of baryonic matter after the Big Bang to groundbreaking discoveries using fast radio...
Veritasium
Flamethrower vs Aerogel
We put aerogel to the test vs 'not-a-flamethrower', a huge 2000°C flame to a large fiberglass blanket infused with silica aerogel - formerly the lightest solid (that title is now held by graphene aerogel).
Veritasium
3 Perplexing Physics Problems
This video explores three intriguing physics problems: why shaken carbonated drinks explode, why ice melts differently in fresh water versus salt water, and how a metal ring can lock onto a chain unexpectedly. Demonstrations and...
Curated Video
Entropy is not what you think!
We explore the fundamental nature of entropy and its deep link to information. If you were taught that entropy measured disorder, you are in for a treat! Chapters: 00:00 Intro 00:10 Macro- and Microstates 02:06 Entropy is Not a Property...
Curated Video
What Will Life Look Like as MAJOR Rivers Run Dry?
As global warming continues, we are going to continue seeing record droughts and many places are, simply, going to have to live with far less water. But, more specifically, it means we are going to need to innovate both how cities and...
Curated Video
Do You Remember McDonald's Hot Coffee Lawsuit From the 90s?
Weird History Food is taking you back to the 90s for McDonald's Hot Coffee Lawsuit. Over the years, the McDonald's hot coffee lawsuit has become heavily associated with the supposed epidemic of frivolous lawsuits in the United States....
Science ABC
What Is The Actual Color Of The Sun?
While the sun seems yellow to you from childhood, in reality, it is white. The reason why the sun appears yellow is because of the Earth’s atmosphere. When sunlight hits atmospheric particles, it causes electrons and protons to vibrate...
Science ABC
What Is Glue Made Of?
Glue is made from organic substances and was discovered back in ancient times. The earliest evidence of glue was found in the cave paintings of Neanderthals in Lascaux, France. The raw materials for the production of glue might be animal...
Science ABC
What is Blackbody Radiation: Explained in Simple Terms
A black body is a theoretical or imaginary object that perfectly absorbs all incoming electromagnetic radiation, and also emits radiation, like heat and visible light, based on its temperature. A black body is considered theoretical...
Science ABC
What Happens When You Throw Boiling Water Into Freezing Air?
Its freezing cold outside, and you decide to take a cup of boiling water outside and throw it into the air. Instead of falling to the ground and searing a hole in the already-fallen snow& Boom! It magically turns into snow! However, have...
Science ABC
What Are The Hottest And Coldest Things In The Universe?
Sun is obviously the hottest thing in our Solar System, but it is a mere candle when compared to several other stars and stellar phenomena, particularly supernova. A supernova is a transient event that marks the last evolutionary stage...
Science ABC
The Science Behind Mood Rings: How Do They Work?
Mood rings are rings that have a stone or band that changes color in response to variations in temperature. They are also composed of liquid crystals, which undergo a change in color in response to changes in the temperature of the body...
Science ABC
Rigor Mortis, Livor Mortis, Pallor Mortis, Algor Mortis: Forensic Science Explains Stages of Death
Once a person dies, their body begins a process of decay. This process can be seen through certain external changes which are called post mortem signs of death. There are 4 postmortem signs of death - pallor mortis, algor mortis, rigor...
Science ABC
Molar Heat CapacityExplained in Simple Words
Heat capacity is defined as the amount of heat energy required to raise the temperature of a given mass of a substance by one unit. Specific heat capacity and molar heat capacity are properties derived from the heat capacity of a...
Science ABC
Mirage: Why Does It Look Like There's Water On The Road?
The fake puddles of water that we see on the road on a sunny day is due to an optical phenomenon called a mirage, which is caused by the refraction (or bending) of light rays due to different temperatures of the air above the road. On a...
Science ABC
Lactose Intolerance: Why Many Asians Cannot 'Digest' Milk?
Lactose intolerance is quite common, especially in Asian countries. The reason behind this is gene-culture co-evolution. Lactose intolerance is the inability to digest lactose in milk because they lack the lactase enzyme. A 1981 study...
Science ABC
Immune Privilege: Do Your Eyes Have a 'Separate' Immune System?
To protect your vision, the human eye gets something called immune privilege. It is basically a license that the bodys immune system gives to some organs, like the eyes and the brain. Immune privilege limits the response of the immune...
Science ABC
How Long Would You Survive On Each Planet?
Without a spacesuit, there is no chance of surviving in the scary cosmic void. In science fiction movies, we often see peoples heads exploding or being frozen by the apparent pressure differential or lack of heat, respectively. As long...
Science ABC
How Igloos Turn Snow into Toasty Havens
An igloo is made of compressed snow. Compact hardened snow is a great insulator of heat because snow is nothing but semi-frozen water with roughly 95% trapped air. The air molecules trapped between the tiny ice crystals create air...