SciShow
The Truth About Leonardo Da Vinci
A true "Renaissance Man", inventor, artist & scholar Leonardo da Vinci was one of the most diversely talented individuals of all time. His "unquenchable curiosity" led him to make discoveries and inventions that were beyond his time, not...
SciShow
Why Do I Have Varicose Veins?
Usually, the 160,000 kilometers of blood vessels in your body work incredibly smoothly. However, the forces of age, weight gain, and gravity can conspire to cause lumpy varicose veins.
SciShow
Bivalves Could Be the New Lab Rats
Bivalves—animals like mussels, clams and oysters—might be a more familiar sight in a restaurant than a lab. But it turns out that studying them might help us learn more about our own health.
TED Talks
Skylar Tibbits: The emergence of "4D printing"
3D printing has grown in sophistication since the late 1970s; TED Fellow Skylar Tibbits is shaping the next development, which he calls 4D printing, where the fourth dimension is time. This emerging technology will allow us to print...
SciShow
Great Minds: Leonardo da Vinci
Leonardo da Vinci was one of the most diversely talented individuals of all time. His "unquenchable curiosity" led him to make discoveries and inventions that were beyond his time, not to mention his numerous artistic masterpieces. Today...
TED-Ed
TED-ED: How the heart actually pumps blood - Edmond Hui
For most of history, scientists weren't quite sure why our hearts were beating or even what purpose they served. Eventually, we realized that these thumping organs serve the vital task of pumping clean blood throughout the body. But how?...
Crash Course
The Heart, part 1 - Under Pressure: Crash Course A&P
Your heart gets a lot of attention from poets, songwriters, and storytellers, but today Hank's gonna tell you how it really works. The heart's ventricles, atria, and valves create a pump that maintains both high and low pressure to...
Curated Video
Heart
The heart powers everything you do. It pumps without you thinking about it, and beats over a billion times in an average lifetime. But how does it work? Biology - Human Body - Learning Points. The heart is the hardest working muscle in...
Curated Video
The Cardiac Cycle Song
If you think the Cardiac Cycle is hard, then this song's for you. From the lub to the dub, this will have you jamming your way to a deeper understanding of the cardiac cycle. Enjoy. 00:00 Chorus 00:22 Atrial Systole 00:44 Chorus 00:55...
Curated Video
Vintage Hi-Fi: The Timeless Appeal of Valve Amplifiers and Handcrafted Audio Systems
This video explores the enduring appeal of vintage valve amplifiers in the world of audio enthusiasts. Sarat Desenayaka, a legendary hi-fi creator in Rome, meticulously handcrafts high-end audio systems using old-fashioned valve...
Professor Dave Explains
Phylum Brachiopoda: The Lamp Shells
Continuing through Lophophorata, we arrive at Brachiopoda, the lamp shells. There aren't many of these left today, but they are fascinating tiny little sea creatures, so let's learn about them now!
Professor Dave Explains
Phylum Mollusca Part 5: The Lesser Known Classes
It's time to wrap things up with the mollusks, so let's look at five smaller classes consisting of lesser known species. These are Polyplacophora, Monoplacophora, Scaphopoda, Solenogastres, and Caudofoveata. What kinds of creatures are...
Curated Video
Evaporator Controller - EKE 400 Industrial Refrigeration industrial engineering
Evaporator control in industrial refrigeration engineering. In this video we look at how evaporators and controlled in industrial refrigeration systems, covering defrost, cooling, drip tray, valve stations, controller, liquid line, wet...
Curated Video
Basic HVAC Controls - learn hvacr
Learn the Basics of HVAC controls in this video on HVAC control basics. Covering heating and cooling system from switches, sensors and control strategies. Danfoss has made it easy to match the right on/off, modulating, or digital...
Curated Video
Thermostatic Radiator Traps - Steam heating HVAC
Thermostatic radiator traps are used in steam heating systems. They are installed in 2 pipe steam heating systems, to prevent steam passing through and returning to the boiler. We cover the basics of a steam heating system, the boiler,...
Curated Video
PICV Explained - Pressure Independent Control Valves
PICV Pressure Independent Control Valves, in this video we learn how PICV's work, where we use PICV's, what they look like, the basic working principles behind them to help you learn mechanical engineering.
Curated Video
What Is A Solenoid Valve?
In this video, we'll explain what a solenoid valve is and how it works. This is a common valve used in a variety of applications, and understanding how it works is essential for knowing how to use it.
Curated Video
How Solenoid Valves Work - Basics actuator control valve working principle
How do solenoid valves work? We look at how it works as well as where we use solenoid valves, why we use solenoid valves and what they look like. We look inside the simplified valve to understand the working principle of how a solenoid...
Curated Video
Circulatory System And The Heart | Explained In Simple Words
The circulatory system is a vast, complex network of blood vessels that serve as highways for transporting blood which contains life-sustaining molecules, such as nutrients, gasses, hormones and waste products, to the various organs of...
Professor Dave Explains
Phylum Mollusca Part 3: Class Bivalvia (Clams, Oysters, Mussels, etc.)
With gastropods covered, let's move to our next class within phylum Mollusca, the bivalves. These include clams, oysters, mussels, scallops, and shipworms. What are these organisms all about? What can we say about bivalve aquaculture?...
Curated Video
Heart Sounds Made Easy - S1, S2, S3, S4 and Murmurs (Systolic and Diastolic)
Everything you need to know to get a basic understanding of heart sounds. I cover S1, S2, S3, and S4, what leads to those sounds as well as Systolic and Diastolic murmurs.
Curated Video
High Five Facts - Veins and Arteries
This video explores five fun facts about veins and arteries.
Curated Video
I WONDER - How Do Our Veins Control Our Blood Flow?
This video is answering the question of how do our veins control our blood flow.
60 Second Histories
William Harvey - circulation
William Harvey introduces himself and talks about his early years and his discoveries.