Safari Live - Day 129 | National Geographic

In this video, I’m going to assume that you already know a few things, and we’ve covered this. We’ve proved this in other videos that sine of x plus y is equal to sine of x cosine y plus, and then you swap the cosines and the sines: cosine of x sine y. T…

Light is the connection between us and the universe. Through light, we could experience distant stars and look back at the beginning of existence itself. But, what is light? In a nutshell, light is the smallest quantity of energy that can be transported: …

Hey, Vsauce. Michael here. And Jake. And Kevin. And we are in Santa Monica, which of course means that the “V” in “Vsauce” will stand for the Roman numeral five, as in five questions from you guys. Our first question comes from “@notch”. He didn’t ask th…

A satellite of mass lowercase m orbits Earth at a radius capital R and speed v naught, as shown below. So, this has mass lowercase m. An aerospace engineer decides to launch a second satellite that is double the mass into the same orbit. So, the same orbi…

Warren Buffett has very sneakily just made a rather sizable bet on a new stock, and it’s not your typical Buffett-style investment, like what he did last year with Activision Blizzard stock. Buffett has just placed another big Arbitrage bet that a certain…

We have spent many videos talking about the three branches of government in the United States: the legislative branch, which passes the budgets and makes laws; the executive branch, which runs the government; and the judicial branch, that determines wheth…