Northern lights map for Friday night
The aurora may be visible for much of the northern half of the U.S. Friday night. The red line on the map shows how far south the aurora forecast goes per NOAA's Space Weather Prediction Center.
The Rhind Mathematical Papyrus is the oldest manuscript written in algebra and trigonometry, dating back to 3,550 years ago.
It shows that the Egyptians used first-order equations, geometric series and a second-order algebraic equation, related to the Pythagorean theorem a² + b² = c²
It also describes how to obtain an approximation of π accurate to within less than 1% and one of the earliest attempts at squaring the circle.
people who don't know the context:
In Iraq, a tragic fire killed 110 people due to fireworks. The bride lost her entire family and the groom lost his mother
Two weeks in @JustinTrudeau 🇨🇦
Embarrassment at the G20
Inability to fly the government jet home
A spat with the PM of India
A subsequent diplomatic break with that country
Accusing Canadian parents concerned that their children might be butchered of misogyny and bigotry
Welcoming a genuine SS Nazi to Parliament
Throwing his Speaker to the wolves in the aftermath
Launching the most censorial internet legislation in the free world
What can he do
Next week
To top that?
NOW 🚨: A very rare Super Blue Moon rises tonight, Aug. 30
This happens when a blue moon and supermoon occur simultaneously. It won't happen again until 2037 👀
Effective today, travellers from these countries who have either held a Canadian visa in the last 10 years or who currently hold a valid United States non-immigrant visa, can now apply for an eTA instead of a visa when travelling to Canada by air: https://t.co/PMYCbtS9pP