02:16

What is special about this Escher picture?

03:51

How many balls are in the container?

02:09

Smart windows on airplanes

02:43

Why is the sky blue? And why is the sun reddish at sunset?

01:23

The Mysterious Can

04:42

How much thermal insulation (R-value) is a material?

03:58

Can you tell the difference between sunrise and sunset?

04:24

How hot is a dolsot bibimbap?

06:36

What is the energy efficiency of a gas stove and what are the losses?

05:28

Convection - how much heat is carried away?

03:52

Maillard Reaction

01:42

DIY watermill

03:30

Reducing radiation with shiny surface

07:34

How does a dehumidifier work?

07:21

Understanding psychrometric chart - advanced

04:56

Understanding psychrometric chart - beginner

07:01

Measuring humidity with a sling hygrometer

07:25

Skin effect and proximity effect - how they change resistance of wires

03:42

Body Fat and Electrical Resistance

05:08

Reactions of candles

04:00

Is your hand sanitizer at risk of fire?

04:05

Wireless charging, induction and transformers

05:52

Zones Of Combustion of a Candle

05:37

Science of cooking

03:33

Holding fire without burning yourself

05:46

Understanding inductor and inductance with demonstrations

04:09

What is soot?

03:00

What is combustion, and how it affects society

06:08

The Science of Fireworks

01:37

What online lectures were like during COVID-19

04:11

Steam Engine Demonstration

02:22

How hot is fire?

03:58

Dual-ion battery - a battery that can be charged within minutes

04:35

Ultrasonic humidifier - How does it work?

06:38

Harmonics in Power Supply

04:46

Explaining overtone singing and changes in harmonics

04:19

How to visualize sound wave and harmonics?

03:16

What is a smart window?

04:25

HK tram ride - A trip on one of the oldest transportation systems in Hong Kong

02:26

IR video with food and cooking - is heat conducted faster through meat or fat?

01:27

Sunrise and sunset with infrared camera

05:31

Tips to keep room warmer in winter without using too much energy

05:44

5 tips to extend your cell phone battery life

05:03

Episode III: Return of the pinecone - DIY pinecone

04:23

Episode II: Secret of the pinecone - why pinecone shrinks in water

01:57

Seeing how things heat up (and cool down) in our life with IR camera

01:01

Episode I: What happens to a pinecone in water? (Christmas special)

05:21

How our phone controls our happiness

02:44

Solar Tracking Project

06:10

Improving work efficiency

02:23

Enantiomerism: Inversion of HCFClBr

01:48

How to make a face-centered cubic structure?

01:24

The Story of Urban Heat Island Effect

01:02

Heat and the City

01:24

The breakfast experience with infrared camera

01:26

What can you do with a cup of ice?

10:14

Energy Challenge - quiz about energy

05:14

Secrets about heat pipe

02:16

How will the world look like if we can see temperature?

02:20

Science in the CarPark - What can we learn from an IR video in a car park?