Would you like to enhance your mental performance? Improve your memory? Develop your concentration? With the fun and challenging exercises in Brain-Boosting Challenges, you can control the natural cognitive power of your brain and improve your memory at any age. The exercises get progressively tougher throughout the book so you can plot your progress and see how you are improving. As well as th…
"Inilah salah satu buku sains terpenting yang ditulis oleh satu di antara para ilmuwan besar zaman kita, Stephen Hawking. Dalam buku ini Hawking membahas pertanyaan-pertanyaan besar seperti: Bagaimana alam semesta bermula—dan apa yang memulainya? Apakah waktu itu, dan apakah ia selalu bergerak maju? Adakah ujung alam semesta, dalam ruang maupun waktu? Adakah dimensi lain dalam alam semesta? A…