Curated Video
Introduction to Nanoparticles: Size, Properties, and Applications
This video explains what nanoparticles are and how their small size affects their physical and chemical properties, particularly in relation to their surface area-to-volume ratio. The video highlights potential applications of...
Catalyst University
Anatomy - The Inguinal Ligament & Inguinal Canal
In this video, we explore the following: [1] anatomy of the inguinal ligament and canal [2] Hesselbach's triangle [3] basics of inguinal hernias
Mediacorp
Exploring Organic Farming and Community Tourism in Vietnam
This video investigates the successes of local farmers in Hoi An, Vietnam, and the uses of special pesticide-free fertilizer. The Heart of ASEAN: episode 4, part 2/11
Catalyst University
Anatomy - Enterohepatic Circulation EXPLAINED
In this video, I explain the function of enterohepatic circulation and the anatomical structures/organs involved.
Professor Dave Explains
Stereospecificity vs. Stereoselectivity and Regiospecificity vs. Regioselectivity
Many organic chemistry students think that specificity and selectivity are essentially synonymous when describing the potential products of a chemical reaction. But this is not true! They have separate meanings and imply different...
Practical Ninjas
The detection of radiations | Photosensitive Detectors | AI 01
Analytical Instrumentation (AI) deals with the instrumentation systems designed to perform quantitative and qualitative analysis of a sample. These instruments play a vital part in laboratories, quality control centres, research labs to...
The Backyard Scientist
Marquis Reagent Synthesis and testing of Promethazine, modifinil, methylphenidate + more!
I show how to make the marquis reagent from formaldehyde and sulfuric acid, and preform tests on modifinil, promethazine, tizanidine, ritilin (methylphenidate), acetominiphen, and aspirin.
Catalyst University
Amino Acid Metabolism - the Methionine (SAM) Cycle
Amino Acid Metabolism the Methionine (SAM) Cycle
Curated Video
Titration Calculations: How to Determine the Concentration of an Unknown Solution
In this video, the presenter discusses titration calculations, which are useful in determining the concentration of a solution by using a solution of known strength. The video explains the thought process and equations involved in...
Curated Video
Reactions of Metals with Oxygen, Acids and Water
This video explains the three main types of reactions that metals undergo: reactions with oxygen, reactions with acids, and reactions with water. The video provides word equations and examples of each type of reaction and notes any...
Catalyst University
Caffeine Demethylase Mechanism
In this video, we discuss Caffeine Demethylase Mechanism
Catalyst University
Anatomy and Functions of the Quadriceps Femorii and Hamstrings
In this video, we discuss the antagonistic muscle groups controlling flexion and extension of the knee, respectively: hamstrings and quadriceps. Also, we name each muscles' origin, insertion, action, and exercises/movements that involve...
Curated Video
Electrolysis of Aqueous Solutions and Purification of Copper
The video is a tutorial on electrolysis of aqueous solutions. The speaker introduces the basic rules for electrolysis of aqueous solutions and how to predict the products using those rules. The examples are given for different...
TMW Media
Discovery with the ALMA Telescope: Emerging sciences in the field
What is Astrochemistry? How can ALMA help Astrochemistry and Astrobiology? What should you do if you want to work in these fields? Discovery with the ALMA Telescope, Part 3
Journey to the Microcosmos
The Colors of the Microcosmos
We see the colors of the microcosmos every single week, but let's stop and ask why our some microbes are bright green, while others are a golden brown.
The Backyard Scientist
MICROWAVE CANNON! A High Energy Radio Frequence gun. (700 watts)
Hey guys, in this video I show you how I built my microwave gun, also known as a HERF gun. I take a magnetron out of the oven and connect it to a waveguide. The results were more than I expected! FIRST- Microwaves are not "dangerous"....
The Backyard Scientist
How to make an electric match/detonator (squib) [Pingpong balls and Flashpowder/blackpowder]
In this video we make electric matches to safely detonate our experiments. You should aim for a 95-5% ratio of your propellent to nitrocellulose (pingpong balls). A pingpong ball weighs 2g, so use about 50g of powder. We used half that...
Science360
Solar power to go
More energy from our sun hits the Earth in one hour than is consumed on the planet in a whole year! But, the burning question is - how can we put all that sunshine to work making usable fuel? With support from the National Science...
FuseSchool
What is an atom? Poem
Introducing Atom Man who shows you how important atoms are in the world! Introduction to the Virtual School chemistry chapter on atoms & properties of matter.
Catalyst University
Thermodynamic Parameters for Mixing (ΔG, ΔS, ΔH, ΔV)
Here I explain the basics thermodynamic parameters for mixing two liquids into a mixture.
Catalyst University
Calculate Concentrations in a Buffer (Derivation)
In this video, we discuss Calculate Concentrations in a Buffer (Derivation)