Is Metal Foam a Modern Material?

In the modern era of material science development, scientists have discovered metal Foam as a highly versatile and promising material. The concept of porous metals emerged many years ago, but their development and application have experienced significant growth in the past few years. The metal foam emerging as a crucial material in present-day engineering and design because industries require lightweight materials that can perform various functions.
Metal foam can be defined as a porous material which is made by adding bubbles of gas to molten metal or advanced manufacturing techniques such as powder metallurgy. It is a material that maintains the rigidity of its base metal (aluminum, titanium, or steel) but has a much reduced weight. The honeycomb structure of the material provides it with special characteristics, i.e. it is light, absorbs energy very well, and is a good thermal and sound insulator. 
Why is Metal Foam Considered to be Modern?
Metal foam is not a new invention but its applications align perfectly with modern demands for sustainability, efficiency, and innovation. Here’s why it’s seen as a modern material:
The metal foam weight is less, powerful and versatile material of the next generation. It looks like a sponge of metal and its history has lasted a few decades, but its use has expanded rapidly in recent times. The metal foam is currently one of the most advanced materials in engineering since industries require materials that are light, strong, and a combination of many functions.
Metal foam is a spongy material made by injecting gas bubbles into the molten metal or by modern production methods, such as powder metallurgy. It is as powerful as the metal in maintaining its weight greatly reduced. One of the advantages of metal foam is its low weight, high absorption capability of energy and excellent insulation of heat and sound.
Metal foam is a relatively new experiment which has brought in the market. The metal foam is such a material that its applications in industries are still required in the present world to attain environmentally friendly products and industries which take less energy to perform effectively. 
Advantages: the Material is lightweight, although it is powerful. 
The metal foam is highly required since it retains equal weight to weight ratio among other materials at the same time is a reduced weight material. This material is useful in the aircraft industry, automobile manufacturing and construction operations as it revolutionizes the industry. These installations are lightweight hence contributing towards improved fuel efficiency and low emission rate and simplified and easy installation or transportation of the installed structure.