Are migrants ‘stealing’ jobs; does South Africa have more asylum seekers than any other country in the world? These are some of the claims we explore this week in the midst of some of the worst xenophobic attacks in recent years in South Africa. Plus – could you go to jail for reporting false statistics? You might in Tanzania where they are in the process of bringing in a law to tackle publishing bad figures. We ask whether journalists and researchers should be worried.
This edition of […]
Originally posted on Chinese Tuition Singapore:淮安民间传说着一则故事——“韩信点兵”，其次有成语“韩信点兵，多多益善”。韩信带1500名兵士打仗，战死四五百人，站3人一排，多出2人；站5人一排，多出4人；站7人一排，多出6人。韩信马上说出人数：1049。 Translation: In Ancient China, there was a General named Han Xin, who led an army of 1500 soldiers in a battle. An estimated 400-500 soldiers died in the battle. When […]
A cabled knot K is a knot obtained by taking a torus knot T(p,q) inside a solid torus, then tying that solid torus into the shape of another knot P, called the companion knot. This gives a natural splitting of the cabled knot’s complement M_K into two pieces: the complement of the companion knot M_P, and the interior of that solid torus without the knot C(p,q), called the cable space.An important notion in knot theory is the existence of
CEO Bas Lansdorp writing for Space.com:The Mars One habitat will be covered by a necessary layer of soil that provides shielding even against galactic cosmic rays. Sixteen feet (5 meters) of Martian soil provides the same protection as the Earth's atmosphere — equivalent to 1,000 grams per square cm(227.6 ounces per square inch) of shielding. The Mars One habitat can support a soil layer 36 feet (11 m) thick. If the settlers spend, on average, two hours per day outside the habitat, their
No One Can Solve This Impossible Math Problem For 14-Year-OldsThis might melt your brain. If you struggled with this, you’re like me. If not, please explain (like I’m 5).Continue Reading.
I love this! Took me longer than it should have, but I finally got it :D