Order tickets
eng
Order tickets
arrow eng

Avi Saig, PhD

Displaying 23 Articles

Oops, Turns Out… Where Does the Material That Allows Plants to Grow Come From?

It sounds reasonable to think that plants grow thanks to substances they absorb from the soil. In fact, most of the material they are made of comes from the air

calendar 8.12.2025
reading-time 2 minutes

The Left Side of Life – Why Does Left-Handedness Exist?

The difference between right and left didn’t start with politics: it is present in nature and affects a long list of phenomena

calendar 9.3.2023
reading-time 15 minutes
Junior Brainwash #20

Junior Brainwash #20

calendar 2.5.2021
reading-time 9 minutes

What a Sweet Potato

Potatoes break down in our bodies into… sugar! How does this happen? A visit with the carbohydrate family

calendar 9.12.2020
reading-time 9 minutes

Bend it Like Beckham

How to make cups float in the air and curve – like a soccer free-kick curveball

calendar 9.4.2020
reading-time 5 minutes

Black-Marker Chromatography

A simple and visually impressive experiment reveals what a black marker’s color is really made of

calendar 21.3.2020
reading-time 5 minutes

Relight my Fire

Here’s a way to remotely light a candle that has just gone out, using the smoke rising from the wick.

calendar 21.3.2020
reading-time 3 minutes

Build Your Own Love Meter

The liquid rises as we think about someone we love

calendar 21.3.2020
reading-time 4 minutes

A Star of Toothpicks

Making self-forming stars using toothpicks – and what’s the connection to the Pharaohs?

calendar 21.3.2020
reading-time 3 minutes

How to Make Exploding Bags of Water

With materials found in any house, you can turn a regular bag into a “bomb” with a time-release mechanism

calendar 21.3.2020
reading-time 5 minutes

Making Butter from Cream

Butter shortage in the stores? Here’s how to make it at home

calendar 21.3.2020
reading-time 3 minutes

The Plumbers’ Secret Code

Write a secret message that only you can read, using just some magic tape

calendar 21.3.2020
reading-time 4 minutes

The Hard Boiled Dreidel

A festive experiment for Hanukkah, Passover, or anytime hard boiled eggs are on the menu

calendar 20.3.2020
reading-time 4 minutes

Why are Cigarettes More Addictive Nowadays?‎

Do substances added to cigarettes ‎make them more addictive?

calendar 24.11.2016
reading-time 7 minutes

How Can We Make a Pine Cone Open and Close?

In this experiment, we’ll make a pine cone open and close as we wish. Equipment Pine cone

calendar 13.10.2014
reading-time 3 minutes

Making a Parachute From Bags and Paper Clips

In this experiment, we’ll build a parachute out of paper bags, and see that it can slow

calendar 13.9.2014
reading-time 3 minutes

The Amazing Self-Emptying Cup (Pythagoras’ Cup)

In this experiment, we'll build a special cup that empties entirely as soon as the

calendar 22.6.2014
reading-time 2 minutes

Preparing an Automatic Water Pump Out of Folding Straws

In this experiment, we’ll build a self-propagating water pump that sucks out water

calendar 14.6.2014
reading-time 3 minutes

Separating a Mixture of Salt and Pepper

In this experiment, we will accomplish the seemingly impossible feat of separating salt

calendar 7.6.2014
reading-time 3 minutes

Colorful Chrysanthemum

In this experiment, we'll learn how to change the color of a white chrysanthemum

calendar 7.6.2014
reading-time 2 minutes

Color-Changing Cabbage

In this experiment, we'll learn how to extract colorings from a red (purple) cabbage

calendar 3.5.2014
reading-time 2 minutes

Citrus Fruit Peel Flamethrower

In the following experiment, we'll use flammable materials found in citrus fruit

calendar 3.5.2014
reading-time 2 minutes

What’s the Difference Between Saturated and Unsaturated Fat, and What Are Trans Fats?

In general, fats are organic molecules made up of two parts: glycerin and fatty acids.

calendar 23.2.2014
reading-time 4 minutes