Solar Motor Without Electrical Parts - Free energy motor - Homemade Science

These devices are sometimes referred to as solar motors or thermal motors, or even thermal retraction motors. Sunlight hitting the strips is converted into thermal energy (heat) which then causes the rotor to turn without any electrical or other mechanical parts.
@dheerthan11:04 AM 28-Feb-2018

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Falling Cones Activity to Understand Aerodynamics -Homemade science

Falling Cones Activity to Understand Aerodynamics -Homemade science

This inquiry activity investigates factors that make an object fall faster or slower and is an easy one for students to design, set up,and test.It does not require any special equipment and is a good way to use up and recycle used paper.
The Periodic Table Song - 2018 UPDATE

The Periodic Table Song - 2018 UPDATE

The COMPLETE Periodic Table! In celebration of National Periodic Table Day, here is our catchy song updated with the 4 newly named elements! An easy way to memorize periodic table with the elements and their atomic number.
Airstrikes are still pounding Eastern Ghouta despite a ceasefire, doctor says

Airstrikes are still pounding Eastern Ghouta despite a ceasefire, doctor says

At least seven people have been killed in Eastern Ghouta since the United Nations unanimously adopted a resolution calling for a 30-day ceasefire in Syria, UN official says.
Schools threaten to punish students who join walkouts over gun control

Schools threaten to punish students who join walkouts over gun control

Students around the country are walking out of class to demand tougher gun laws in response to last week's deadly school shooting in Parkland, Florida, but some may face disciplinary measures.
Top 11 Biggest Lies of the Junk Food Industry

Top 11 Biggest Lies of the Junk Food Industry

The way junk foods are labeled and marketed these days is a disgrace. Food manufacturers deceive people into thinking their products are healthy.
Ask a Data Scientist: What’s Machine Learning?

Ask a Data Scientist: What’s Machine Learning?

I asked the questions Wikipedia failed to fully answer: what is machine learning? who should be learning it. Phrases like neural nets & deep learning tap into our sense of fantasy, but when we jump from new tech to robot takeover, we miss the beauty and power of what machine learning actually is.

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