Cooling food properly is essential to keeping food safe. Active cooling methods cool food quickly to prevent the growth of harmful microbes that cause foodborne illness.



A Flash of Food Safety is a video series designed for...

This video discusses how Chicago is becoming a leader in the fight against climate change through the implementation of green roofs. The video also highlights how this approach is literally a life-saver for the elderly and poor who may...

Fruits and veg - one of the most important foods our parents drummed into us to eat as kids. Natureʼs super foods are definitely a daily necessity, but should we be worried about pesticides, which are used on them?

Is fresh always...

Data centers are a critical, but often power-hungry, part of the enterprise. But, why exactly do data centers require so much energy? And how can businesses address emissions concerns as well as cut back on the costs associated with...

This video emphasizes the importance of cooling down after a workout. The video also highlights the benefits of stretching, hydrating, and nourishing the body after exercise, as well as the potential benefits of massages for muscle...

How to compare heat pumps. In this video on heat pump guide, we look at the different heat pump options, we compare them and look at how to select one. We also compare the energy efficiency for COP, SCOP, EER, HSPF. Air source heat...

Thermochromic ink is erased and made to reappear. Parts Needed: 1 Frixion ink pen 1 Lighter 1 Spray can keyboard duster

A crucial, and often underappreciated, facet of science lies in deciding how to turn the raw numbers of data into useful, understandable information -- often through graphs and images. Such visualization techniques are needed...

Industrial refrigeration system basics, in this video we'll be looking at how ammonia refrigeration systems work, starting at the basics to understand how industrial refrigeration systems work. We'll be looking at system schematics and...

This video explores the process of sweating and why it occurs. It explains how the body's temperature regulation system works, how sweat is produced, and why it can sometimes have an unpleasant odor. Additionally, it emphasizes the...

Variable air volume hvac system basics. In this video we look at the basics of VAV ventilation system covering vav variable air volume systems used in hvac ventilation design, vav terminals, ahu air handling units, fan assisted vav...

Chiller coefficient of performance. In this video we learn how the COP or coefficient of performance is calculated for a chiller in a chilled water cooling system, considering the flow rate, temperature, chilled water and electrical...

HVAC systems used in supermarkets & food retailers. In this video we look at different HVACR systems used in supermarkets & food retail outlets to understand the basics of how they work.

Constant air volume hvac system basics. In this video we look at the basics of CAV ventilation system covering cav constant air volume systems used in hvac ventilation design, cav terminals, ahu air handling units, heat exchangers,...

In this video, we explore the early stages of Earth's formation and the gradual cooling process that led to the creation of continents. We learn about the absence of continents and oceans in the first billion years, the continuous...

How are data centers cooled? find out in this video on how data centres are cooled. covering CRAC units, cold aisle containment, hot aisle containment, suspended floor.

How do computer room air conditioners work, in this video we learn how CRAC units work for server room air conditioning

In this video, we will discuss a heat recovery VRF system. This system allows buildings to recoup heating and cooling losses, thus saving money on energy bills

We are almost through the Phanerozoic eon! After the Paleozoic and Mesozoic Eras, we get to the Cenozoic era, which is the one we are still living in today. This is the age of mammals, which came to dominate the Earth, and here we also...

Atmospheric Cooling Towers use no mechanical devices to move air through the tower. They rely only on atmospheric conditions to do this. Atmospheric Cooling towers are classified into two categories. Natural Draft….and Hyperbolic In this...

HVAC systems used in supermarkets & food retailers. In this video we look at different HVACR systems used in supermarkets & food retail outlets to understand the basics of how they work.

Power supplies require careful mounting to ensure easy connections to the devices that need power. It’s also important to make sure that the power supply provides proper airflow. This clip is from the chapter "Power Supplies" of the...

In this video, we will discuss a heating and cooling VRF system. This system allows buildings to provide heating and cooling from the same system.

Liquid cooling isn’t just for enthusiasts. It is quieter and much more efficient than traditional air cooling. Today’s liquid cooling solutions are easy to use and interface with any system. This clip is from the chapter "CPUs" of the...