Danica McKellar Announces Kids Book About Counting to 100 and Unconditional Love: ‘It’s Never Too Late to Start’ (Exclusive)
A Counting Book Full of Love,' the latest book from the 'Wonder Years' actress and award-winning mathematician Danica ...
Wired22d
There’s a New Way to Count Prime Numbers
A new proof has brought mathematicians one step closer to understanding the hidden order of those “atoms of arithmetic,” the prime numbers. The primes—numbers that are only divisible by ...
C&EN27d
Rational Design of Prussian Blue Analogues for Ultralong and Wide-Temperature-Range Sodium-Ion Batteries
Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, State Key Laboratory of Crystal Material, Shandong University, Jinan 250100, ...
BBC1mon
How to multiply and divide by 0, 1, 10 and 100
When you multiply by 1 the answer stays the same. 21 × 1 = 21 When you multiply by 10, move all the digits one place to the left, putting a zero in the empty space. 21 × 10 = 210 When you ...