Mr. Dael's World of Mathematics

Mr. Dael's World of Mathematics is a place where students and parents can get information about his mathematics classes at Alexander High School. It is also a place to find out interesting facts about mathematics.


This is really amazing.

This camera can capture photons of light in slow motion đź“·

BBC Earth

This is a really interesting animation about water.

Every day you drink dinosaur pee.

This is the weird world of water…


These Simple Animations by a NASA Scientist Prove The Speed of Light Is Torturously Slow A series of new animations by a NASA scientist show just how zippy – and also how torturously slow – the speed of light can be.

George Takei

It's a big, big galaxy out there.

Great Internet Mersenne Prime Search - PrimeNet

Really cool. Great Internet Mersenne Prime Search - Finding world record primes since 1996. GIMPS is an organized search for Mersenne prime numbers using provided free software.

I like this.



Mathematical Association of America

Too bad we were not in school today.

Happy e day! In celebration of Euler's number, today, 2/7/18, is known as e day. How will you celebrate?

What Holds The Magnets Up?

This is a very attractive question.

Largest known prime number discovered: 50th known Mersenne prime ever found, on computer volunteered in collaborative project

Wow! A collaborative computer project has discovered the largest known prime number. The new prime number is nearly one million digits larger than the previous record prime number, in a special class of extremely rare prime numbers known as Mersenne primes.

Can He Make The Shot?

Every physics student at Alexander HS should be able to answer this question. Learn about and practice Classical Mechanics on Brilliant

Great Big Story

This is really cool.

Robert Lang is a physicist who worked at NASA studying lasers and has 46 patents on optoelectronics to his name. However, that's not what he's best known for now: he's a legend in the world of origami. His intricate designs are second to none, and they actually have applications back in engineering.


When nature puts on a happy face: Hawaiian volcano erupts into smile


how a mathematician counts sheep :)

I Love Teaching Math

Hitting the Sun is HARD

This is an interesting video from the Science Dump explaining the difficulties in sending a spacecraft plunging into the surface of the sun.

Listen to "The Paradox of Choice" for free at This video is about the orbital mechanics of why it’s so hard to crash int...

I hope that after taking my class that the magic component is reduced to about 5%.


This is really satisfying to look at.

NASA - National Aeronautics and Space Administration

Vivid glowing auroras in Jupiter’s atmosphere! Our Hubble Space Telescope spotted this stunning light show. This observation program is supported by measurements made by our Juno spacecraft, which arrives at Jupiter on Monday. While Hubble is observing and measuring the auroras on Jupiter, Juno is measuring the properties of the solar wind itself; a perfect collaboration between a telescope and a space probe. More:

Auroras are created when high-energy particles enter a planet’s atmosphere near its magnetic poles and collide with atoms of gas.

Ohio Council of Teachers of Mathematics

Trig stuff!

Smart is the New Sexy

Stretching exercises for the body and the brain!

Math is an art, I've always known it. :D

Roland Smith

Ohio Council of Teachers of Mathematics

Fibonacci Flexing his muscles!

Fibonacci Fun

That’s what physics is. It looks really nice but there’s horror music playing in the background. Physics Teacher (via mathprofessorquotes)

Romania's Kit Has Got Everyone Talking For The Right Reasons | The SPORT Bible We love it


Do you want to know how deep the ocean is?

Congratulations! You just dug a tunnel through the center of the Earth to the other side of the world.

You then drop a rock down it....

What Is The Total Resistance Between A And B?

This is just shocking!



This, dear children, is why you bring a harpoon gun to an underwater firefight.

PHD Comic: Gravitational Waves Explained Link to Piled Higher and Deeper

Physicist Tv

I am wondering if we can go surfing on these waves?

Seth MacFarlane

Bigger news than Trump.

Goodwill Librarian


Ye Olde Periodic Table

(Image credit: Ham549 on DeviantArt)


One of the tragedies of mathematics.


CERN scientists 'break the speed of light'… Scientists said on Thursday they recorded particles travelling faster than light - a finding that could overturn one of Einstein's fundamental laws of the universe.


Interesting Science and Fiction.

Is it more or less than the output of a star? Asking for a friend.

Ohio Council of Teachers of Mathematics

This is a good warmup for the 2nd semester.

A little geometry.


Never underestimate the surprising insights of your children!

Teen makes video explaining the theory of relativity, wins $400,000 prize Can a YouTuber explain something as complicated as General Relativity better than your physics professor? You may not think so, but watching this guy get launched from his car seat, sending popcorn flying all over the inside of the car – all in the name of science – makes a pretty convincing case if…

How long would you make it without a spacesuit, on other planets? Planning a tour of the solar system? Neil deGrasse Tyson describes what would happen to you if you were to visit the Sun and planets without a spacesuit to protect you from their environments. (Spoiler Alert: He skips Pluto.)

Nuclear fusion explained in 5 minutes ITER (International Thermonuclear Experimental Reactor) is an international nuclear fusion research and engineering project, which is currently building the world's largest experimental tokamak nuclear fusion reactor adjacent to the Cadarache facility in the south of France.The ITER project aims to…

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Videos (show all)

Mr. Dael Lifting a Person off the Ground with One Hand
Mr. Dael on WOUB Newswatch Thursday October 21st, 2010



Alexander High School
Albany, OH
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Alexander FFA Alexander FFA
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