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Avi Saig, PhD

Displaying 22 Articles

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