Day quantum
In our everyday world, we're used to absolute, deterministic predictions: throw a ball in the air, and it'll fall along an ellipse; leave your umbrella parked on the street, and when...
1
annotations
welcome back to the program it's great to have you with us today here's a really interesting defense that is being I used in a Labor Day cookout killing that took place this is how to...
Thank you. Thank you. My passion for the Amazon started because of this little animal here. The Amazon River dolphin or boto-cor-de-rosa (Pink River Dolphin). The legend says that river dolphins...
1
annotations
In this phone, there are nearly 100 million transistors, in this computer there's over a billion. The transistor is in virtually every electronic device we use: TV's, radios,...
In 1905, Albert Einstein published a series of papers that many consider a starting point for the modern age of physics. But other than "E equals m c squared", most people only know...
we're used to seeing things from a particular point of view that is from a particular frame of reference and things look different to us under different circumstances at the moment you look to...
- Afrikaans
- Shqip
- العربية
- Հայերեն
- Azərbaycanca
- Беларуская
- বাংলা
- Български
- Català
- 中文简体
- 中文繁體
- Bosanski
- Čeština
- Dansk
- Nederlands
- Eesti
- Filipino
- Suomi
- Français
- Galego
- ქართული
- Deutsch
- Ελληνικά
- ગુજરાતી
- Kreyòl ayisyen
- हिंदी
- Magyar
- Íslenska
- Bahasa Indonesia
- Gaeilge
- Italiano
- 日本語
- 한국어
- ພາສາລາວ
- Latviešu
- Lietuvių
- Македонски
- Bahasa Melayu
- Malti
- Norsk
- فارسی
- Polski
- Português
- Română
- Pусский
- Српски
- Slovenčina
- Slovenščina
- Español
- Kiswahili
- Svenska
- ภาษาไทย
- Türkçe
- Українська
- اردو
- Tiếng Việt
- ייִדיש
- עברית
1
annotations
In order for us to see something, it either needs to emit light directly (like the sun or a lightbulb filament or firefly) or else have photons of light bounce off of it and into our eyes. But how do...
To make a laser, all you need to do is give a big collection of atoms enough energy so they're excited and ready to emit light. Once one of them spontaneously emits a photon, it'll...
