But if it's made of a special kind of material called a shape-memory alloy, it doesn't actually forget that it's spoon shaped, and if you heat it up again it will magically spring back into its original shape! Shape-memory alloys are probably best known as the magic materials behind ...
The other parts of a bullet cartridge are also made from metals or alloys. Bullet jackets can be made from many different metals, including steel-coated alloys and copper alloys (such as cupronickel), often with dry lubricants to help them speed through a weapon (from nylon and Teflon™ ...
Nickel is a type of chemical element that is placed in period four and has an appearance of silvery-white. This metal has been widely accepted to be used in manufacturing a number of alloys. Answer and Explanation: Learn more about this topic: ...
We can use it to make things rust-resistant, for example, to produce a variety of useful alloys like brass and bronze, and even to make plastic look like metal. How does this amazing process work? Let's take a closer look!Photo: Electroplating in action—an exhibit at Think Tank (the...
Plastic is pretty fantastic—we just need to be smarter and more sensible about how we make it, use it, and recycle it when we're done.A brief history of plasticsEarly historyAncient people start using plastics (natural materials like rubber, animal horn, and tortoiseshell are made from ...
The inner surface of one of the panes of glass is given a very thin reflective coating, usually made from two or more layers of metal or metallic oxide (typical metals include titanium, zinc, copper, tin, and silver, and typical alloys include brass and stainless steel). The coating has ...
That's why brake pads have to be made of materials that won't melt, such as alloys, ceramics, or carbon-based composites. Asbestos used to be a popular choice for brake pads (and other car parts such as clutches and transmissions), but is no longer used due to its safety risks. ...
The amazing thing is that both these radically different materials are made of identical carbon atoms. So why is graphite different to diamond? The atoms inside the two materials are arranged in different ways, and this is what gives the two allotropes their completely different properties: ...
This acts as a limit on how fast flywheels can spin and, consequently, how much energy they can store. While traditional wheels were made from steel and spun around in the open air, modern ones are more likely to use high-performance composites or ceramics and be sealed inside containers, ...
modern agricultural revolution: a vast proportion of all our food is nowharvestedor transported using engine power. Engines don't make the world go round, but they're involved in virtually everything else that happens on our planet. Let's take a closer look at what they are and how they ...