The royalties from Baby Einstein alone have been known to be ... where he founded a company that produced electrical equipment. The business did not prove to be successful, and the elder Einstein ...

This DVD includes upbeat music for movement and active play, plus new activity modes: play, dance, and quiet-time modes; and new discovery cards: real-world animals and objects with sound effects.

我们为什么要认识爱因斯坦？ 20世纪最迷人的人物之一，无可比拟的“科学巨匠”，科学史上的“顶流明星”，无数科学家的偶像；爱因斯坦划时代 ...

What it is: A jumper with a rotating seat, 4 activity stations, 5 height settings and a 3-key piano with lights and volume control. Why we love it: When it comes to activity centres that bounce, this ...

课程介绍：用通俗的语言定性介绍爱因斯坦的狭义与广义相对论，以及建立在此基础上的黑洞理论和现代宇宙学。有没有黑洞，它有什么特点；什么是弯曲的时空。膨胀的宇宙；可不可能有时空隧道和时间机器。介绍爱因斯坦和霍金的创新经历，他们对科学的 ...

Albert Einstein wrote the travel diaries on a trip to Asia and the Middle East in the 1920s Newly published private travel diaries have revealed Albert Einstein's racist and xenophobic views.

而提出新的问题、新的可能性，从新的角度去看旧的问题，都需要有创造性的想象力，而且标志着科学的真正进步。 每个人都有一定的理想，这种理想决定着他的努力和判断的方向。就在这个意义上，我从来不把安逸和享乐看做是生活目的本身——这种伦理基础 ...

Baby's first words: What first words are most common and why? We spoke to Speech and Language Therapist Janet Cooper to find out about babies' early words and how to build on them. Babies likes ...

爱因斯坦无疑是我们这个世界最伟大的科学家之一，他的很多理论都奠定了近代物理的基础，而且爱因斯坦在宇宙时空方面也有着很重要的贡献，要 ...

Since 1922, Princeton University Press has been honored to publish the work of Albert Einstein (1879‑1955). That year, the Press published Einstein’s The Meaning of Relativity, becoming the first US ...

They do exist—and a team of 1,000 helped 3 physicists prove Einstein's General Theory of Relativity right. National Geographic Goes Beyond Trailers With New Content For “Genius” NatGeo's ...

根据阿尔伯特·爱因斯坦的相对论理论，光速被认为是宇宙中的极限速度，任何物体都不可能达到或超过光速。然而，科幻中的曲速概念是基于对 ...