Menu English Ukrainian russian Home

Free technical library for hobbyists and professionals Free technical library


ENTERTAINING EXPERIENCES AT HOME
Directory / Entertaining experiences / Experiments in physics

Soap flowers. Physical experiments

Entertaining experiments in physics

Entertaining experiences at home / Physics experiments for children

Comments on the article Comments on the article

Take a sheet of aluminum foil that has been wrapped in melted cheese or chocolate. Smooth it out nicely with your fingernail on the table. Attach a cork (you can use polyethylene) to the middle of the sheet and outline it with a pencil, and around this circle carefully draw and cut out six petals. Rosette diameter 8-10 cm.

Put the cork in the middle of the saucer, and moisten the rosette in soapy water and put it on top. The petals will fall off and droop. It seems that our flower withered before it had time to bloom. But it only seems! Blow a bubble and bring it to the center of the outlet. Now the petals will stick to the bubble and rise, stretched with an elastic soapy film!

Keep blowing the bubble and the flower will open wider and wider.

soap flowers

True, it is not particularly fragrant: laundry soap. But our flower is very beautiful: silver petals and a rainbow ball in the middle!

With the help of soap bubbles, you can make other flowers - snowy. We have already talked about snowflakes. They are formed from needle-shaped ice crystals. It happens high in the clouds. But you can see the formation of snow stars on the ground, under your very nose.

On a frosty but quiet day, go outside and blow a big soap bubble. Now the water in a thin film of soap solution will begin to freeze. Ice needles will appear in it. Before your eyes, they will gather into wonderful ice stars and flowers.

Author: Galpershtein L.Ya.

 We recommend interesting experiments in physics:

▪ Punished curiosity

▪ The mysterious property of the radish

▪ The simplest phone

 We recommend interesting experiments in chemistry:

▪ Homemade indicators

▪ Invisible inscriptions - how to make them and how to show

▪ Testing invert sugar by color reactions

See other articles Section Entertaining experiences at home.

Read and write useful comments on this article.

<< Back

Latest news of science and technology, new electronics:

Artificial leather for touch emulation 15.04.2024

In a modern technology world where distance is becoming increasingly commonplace, maintaining connection and a sense of closeness is important. Recent developments in artificial skin by German scientists from Saarland University represent a new era in virtual interactions. German researchers from Saarland University have developed ultra-thin films that can transmit the sensation of touch over a distance. This cutting-edge technology provides new opportunities for virtual communication, especially for those who find themselves far from their loved ones. The ultra-thin films developed by the researchers, just 50 micrometers thick, can be integrated into textiles and worn like a second skin. These films act as sensors that recognize tactile signals from mom or dad, and as actuators that transmit these movements to the baby. Parents' touch to the fabric activates sensors that react to pressure and deform the ultra-thin film. This ... >>

Petgugu Global cat litter 15.04.2024

Taking care of pets can often be a challenge, especially when it comes to keeping your home clean. A new interesting solution from the Petgugu Global startup has been presented, which will make life easier for cat owners and help them keep their home perfectly clean and tidy. Startup Petgugu Global has unveiled a unique cat toilet that can automatically flush feces, keeping your home clean and fresh. This innovative device is equipped with various smart sensors that monitor your pet's toilet activity and activate to automatically clean after use. The device connects to the sewer system and ensures efficient waste removal without the need for intervention from the owner. Additionally, the toilet has a large flushable storage capacity, making it ideal for multi-cat households. The Petgugu cat litter bowl is designed for use with water-soluble litters and offers a range of additional ... >>

The attractiveness of caring men 14.04.2024

The stereotype that women prefer "bad boys" has long been widespread. However, recent research conducted by British scientists from Monash University offers a new perspective on this issue. They looked at how women responded to men's emotional responsibility and willingness to help others. The study's findings could change our understanding of what makes men attractive to women. A study conducted by scientists from Monash University leads to new findings about men's attractiveness to women. In the experiment, women were shown photographs of men with brief stories about their behavior in various situations, including their reaction to an encounter with a homeless person. Some of the men ignored the homeless man, while others helped him, such as buying him food. A study found that men who showed empathy and kindness were more attractive to women compared to men who showed empathy and kindness. ... >>

Random news from the Archive

soft exoskeleton 09.07.2013

For the first time, scientists and engineers have managed to create a "soft exoskeleton" based on the use of artificial muscles, simply put, this is, in fact, a "superman suit" that can be worn to increase strength and endurance.

The unusual unit was created by specialists from Harvard and Boston universities by order of the US Department of Defense. The device is an additional set of muscles that is powered by an air compressor. This fundamentally distinguishes this development from other analogues of the HULC type, which are equipped with heavy metal or plastic "bones" with hydraulic or electric drives. Therefore, the developers call their invention an "exosuit", because as such there is no skeleton in it: only a complex mesh that fits the legs and, with the help of pneumomuscles, helps human muscles bend and unbend the limbs.

The suit includes pneumatic muscles, a compressor, a pressure accumulator (in other words, a compressed air cylinder) and sensors that are installed on the knee, hip and ankle joints. Sensors continuously monitor the position of the legs and contract / straighten the pneumatic muscles at a strictly defined point in time.

Again, the exosuit acts like an extra set of muscles and makes a person stronger, as if he had been intensively engaged in physical training for several years. Theoretically, an exosuit can produce power several times greater than the strength of our muscles, but this raises the question of the permissible load on human bones and joints, because the suit does not have its own artificial skeleton. Nevertheless, for an adult well-trained person, the suit gives serious advantages in strength, even if it increases it by "only" 20-30%. In addition, with the advent of light and powerful muscles, it will be easy to combine an exosuit with an exoskeleton that takes on a load that is unbearable for a person.

According to the developers, the use of the exosuit is very natural: you just feel how the "magic power" helps you walk and lift heavy objects. When you take off the exosuit, you feel like you are losing additional strength. The unique "naturalness" of the exosuit is incomparable to heavy clumsy exoskeletons. Of course, the exosuit does not allow you to carry a load of 10 kg for 100 hours, but in the future it will be possible to hide it under your clothes. The exosuit weighs 7,5 kg and is so finely tuned that the wearer sometimes forgets it exists.

The developers believe that their exosuit can be useful in three areas. Primarily for military purposes, to help soldiers travel longer distances and carry heavier loads. In addition, it can be used in sports and rehabilitation medicine. In the latter case, the exosuit can help people who have not lost the ability to walk, but with weakened or atrophied muscles.

Other interesting news:

▪ Light pollution makes it difficult to see the stars

▪ Xiaomi Mijia Braun Waterproof Electric Shaver

▪ Ultra-budget smartphone Infinix Smart 7 HD

▪ Firefox 3.6 will detect screen orientation

▪ Logitech G633 Headphones with Sound Processor

News feed of science and technology, new electronics

 

Interesting materials of the Free Technical Library:

▪ site section Computer devices. Article selection

▪ article by Horace. Famous aphorisms

▪ article How many great Olympian gods were there and who were among them? Detailed answer

▪ article Hematologist. Job description

▪ article Triple square. Encyclopedia of radio electronics and electrical engineering

▪ article Obtaining doubled bipolar voltages in a converter based on ICL7660 series microcircuits. Encyclopedia of radio electronics and electrical engineering

Leave your comment on this article:

Name:


Email (optional):


A comment:





All languages ​​of this page

Home page | Library | Articles | Website map | Site Reviews

www.diagram.com.ua

www.diagram.com.ua
2000-2024