For most people, this winter is marked by anxiety about rising electricity prices. But to reduce your heating bills, there are some interesting alternatives that can relieve you. In particular, it turns out that aluminum foil, which you use regularly in the kitchen, can serve you in unexpected ways. A simple sheet behind the radiator can prevent significant waste. We explain to you.

A radiator – Source: spm

Why use aluminum foil behind radiators?

With rising energy prices and the high cost of living, we’re constantly looking for smart tips and tricks to save money and lower our household bills without sacrificing convenience. You are probably wondering if there is any benefit to placing a homemade radiator reflector. Well, indeed, it is a well thought out alternative. Because it prevents the heat emitted from dissipating through the walls.

Right now, anything that can make the house warmer without necessarily turning up the thermostat is welcome. And precisely, the very purpose of a radiator reflector is to reflect all the heat that is lost through the wall back into the room. Thanks to this technique, you not only maximize heating efficiency, but also avoid wasting energy. Therefore, you save a little more money!

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Aluminum foil – Source: spm

Often used for cooking in the oven or keeping food warm, aluminum foil is a particularly versatile tool with a wide variety of uses. However, few people take full advantage of it. And, that’s a shame, since it can help you solve many common household problems. Here, in this case, you can count on him to help you reduce your heating bills. By fixing an aluminum sheet behind the radiator, you will be pleasantly surprised by its effect.

Radiators are usually placed under or near windows, which means that the heat they give off quickly evaporates from the apartment. It turns out that aluminum foil can contribute to an increase in room temperature and act as a heat reflector. The trick is very simple and takes little time.

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What you will need:

• A roll of aluminum foil
• An unfolded cardboard box the size of the radiator.

How to proceed ?

• Wrap the cardboard with aluminum foil so that the shiny side shows.
• Place the object behind the radiator.

Thus, the aluminum foil will successfully reflect the heat from the radiator. In fact, the heat will be immediately pushed into the room instead of evaporating outside the window or heating up the wall unnecessarily. Thanks to this, your interior will be better heated and at the same time you will be able to reduce the amount of the bill by turning off the thermostat.

NB – If you don’t have cardboard on hand, you can simply tape the aluminum foil to the back of the radiator with masking tape like “masking tape”.

Also read: How to heat an apartment without a radiator?

We may believe in a desire for aesthetics, but in truth the holes on the surface of golf balls hide a secret. The fascinating little detail is that they are so small that they often go unnoticed. And golfers don’t even pay attention to it anymore. But, there is a scientific significance in the presence of these cells: more precisely, it is a matter of aerodynamics. Why aren’t these holes there by chance and how do they help improve gameplay? In this article, we will enlighten you on the subject.

A golf ball – Source: spm

What are the dimples on golf balls used for?

Whether you are an experienced player or just a golf fan, you will surely have noticed that the balls are not completely smooth, they are full of small holes. They are called alveoli. Their function is not minor: they have been specially designed to help golfers achieve greater range and better precision. So it’s mostly a matter of dragging and lifting.

Specifically, when you hit the ball, these holes will create a flow of air called “turbulence” which will reduce drag. In fact, these vortices will allow the ball to stay in the air for longer and therefore reach a greater distance. Thanks to these cells, the elevation is more efficient and the ball can travel more meters. Therefore, the holes reduce the resistance of the bullet with the area of ​​air pressure. Unlike a smooth ball which generates more resistance: if you throw a ball without holes, of course it will go up, but it will necessarily go down faster, since there is more pressure to stop.

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Therefore, the dimples on golf balls allow for better travel and amplify the range spin, as the vortices optimize lift force. Also, the more balls contain, the more they improve a golfer’s game.

Play golf – Source: spm

How many dimples are in a golf ball?

For the record, golf balls were originally smooth. But they were often damaged and took a lot of hits. And above all, they were not very efficient. It was not until the beginning of the 20th century that the English golfer and manufacturer William Taylor had the brilliant idea of ​​designing dimples. Much to the delight of golfers who felt a clear difference!

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Have you ever wondered how many holes a golf ball has? Hard to count actually. Actually, there is no normal per se, since the number usually depends on the model, design and manufacturer. But it takes on average 300-500 holes. 336 cells are most often found in quality bullets.

What is the optimal diameter for a golf ball?

We can also wonder about the variable number of cells despite the fact that the weight and size of a golf ball are strictly regulated by the sport. That is to say, that the diameter is established at a minimum measurement of 42.67 millimeters and the weight must not exceed 45.93 g. Golf ball sizes are generally standard. However, in terms of cells, the average depth is about 0.254 mm. They must necessarily be symmetrical, but it is allowed that they be circular or hexagonal.

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The good old-fashioned batteries did not disappear with the advent of rechargeable batteries. They keep their hands on remote controls and other useful devices around the house. Here is an effective trick that reveals to you in a few seconds whether the battery should be thrown away or if you can still count on it.

A stock of batteries. source: spm

A blackout and you’re looking for your flashlight! This works with good round alkaline batteries. Invented in the 1950s by Lewis Urry, very quickly supplanted salt piles, due to their longevity and robustness..

The best known: AAAA LR61 batteries, the thinnest, power the remote controls, wireless headphones, or toys. The most popular AAA LR03 batteries are found in mice, watches… They can never compete with the large E-Block (PP3) batteries, which take place in security devices such as alarms or smoke detectors.

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Despite their usefulness and performance, these batteries do not indicate their charge level, and at first glance we cannot tell if and when it is necessary to change them…

The simple trick that tells you if the battery is still effective or not: the drop. This shape is suitable for round, thin or larger batteries, which have the two poles on opposite sides. To proceed, you must remove the battery from its holder and identify how to reassemble it. We will discover your load thanks to a fall and the noise it makes. Place it on top of a table, about 5 to 8 cm from the flat surface. Hold the battery upright with the flat end pointing down. If the battery makes a thud and bounces off the surface, it’s empty… If it falls over and stays upright, it’s still working.

Beyond this technique, there is still the scientific method that uses a device found in science laboratories.… The multimeter. You tell it the type of battery and its power and it gives you the charge rate. It’s so simple… when you have the device!

You can also save on batteries.

However, the battery as we know it poses a major problem: what does it become once it is no longer used. Fortunately, associations or public administrations recover them to make them get into recycling.

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Rechargeable batteries in its base. They wait before returning to their posts! source: spm

However, the solution exists and it is still very profitable. Take rechargeable batteries. Significantly more expensive to buy, they can be recharged in a box that is sold in stores for a few tens of euros. Thus, immediately, they hold between 15 and 20 different charges and are recycled in the same way as other batteries. The investment is only amortized if you have many accumulators at home. It’s also cost-effective for the environment and your storage concern. From now on a battery stops working, you recharge it overnight and it can go back to its original place.

Now you know what to do with all that stock of batteries that you discovered in the bottom of a drawer. You can sort them, think of the recycling bin for used batteries. You can also replace them with rechargeable batteries, always at hand and economically more profitable.

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