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Weekly blogs posts regarding physics content and stuff :geek:

Entries in this blog

 

How does glow in the dark work?

A lot of things glow in the dark, from toys to stickers to shoes. Just about anything you can imagine, someone's made it glow in the dark. There are several different categories of things that glow in the dark, but i'll be focusing on what makes most consumer products glow in the dark, since it's more relevant to every day life. While researching for this blog post, the second sentence of the Wikipedia page mentioned quantum mechanics, so this could be even more interesting than I initially thou

NathanKenney

NathanKenney

 

How drag slicks work

Generally, when your car needs new tires you look for something with good tread so you have good traction with the road (unless you're broke and your only requirement for tires is the cheapest thing they sell at Walmart). But drag slicks are just totally smooth, so why do they hold traction so well? Well the answer is really simple actually, it mostly comes down to surface area. Since slicks are perfectly flat,  the contact patch the tire has with the road is much larger, providing better tracti

NathanKenney

NathanKenney

 

The combustion engine

The combustion engine, while old, is still an impressive technological feat, as seen in its ability to remain the best way to power most vehilcles to this day. Internal combustion engines All work in the same general way, where some fuel is burned in a chamber, and the resulting energy from the explosions is used to move pistons, which in turn move a crank that can then be transferred into whatever energy is necessary to power whatever the engine is moving. The mechanical energy transferred to t

NathanKenney

NathanKenney

 

Wireless charging

Recently, wireless charging had been catching on in a lot of consumer technology especially smart phones. While almost useless at this point in time, it will hopefully get better over time, but here's the basics of how it works. There is a charging base, that must be connected to some conventional power supply, such as a wall outlet, and in the base, there is an induction coil which generates a changing magnetic field. A phone with wireless charging capabilities also has another induction coil,

NathanKenney

NathanKenney

 

The physics behind welding

Welding, as most people know, is when you use a torch to melt a material to another material, as well as add some filler material for strength. However, there are a lot of different welds that can be made, and a lot of different ways you can make them. For example, some common types of energy sources for welding include a gas flame, lasers, electric arcs, electron beams, ultrasound, and friction. For the purpose of this post, I'll be talking about laser welding, since it is newer, and involves l

NathanKenney

NathanKenney

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