God created two acts of folly. First He created the Universe in a Big Bang. Second He was negligent enough to leave behind evidence for this act in the form of microwave radiation. - Paul Erdős 1913 to 1996 Mathematician
The time however has arrived when biology must like the other sciences make a fresh start in a purely speculative direction free from all entanglement with medical or any other art. ~ Auguste Compte 1798 to 1857 - Philosopher of Science
Hal Anger (1920–2005) USA – a.o. Well counter (radioactivity measurements) gamma camera.
Nikolay Benardos (1842–1905) Russia – arc welding (specifically carbon arc welding the first arc welding method).
Semen Korsakov (1787–1853) Russia – punched card for information storage.
Hans Schrader (1924–1963) together with Franz Joseph Emil Fischer (1877–1947) Germany – Fischer assay (oil yield test).
Guido of Arezzo (c. 991 – c. 1033) Italy – Guidonian hand musical notation see also staff (music).
Sergei Winogradsky (1856–1953) Russia / USSR – Winogradsky column for culturing microorganisms.
Georges Claude (1870–1960) France – neon lamp.
George Pullman (1831–1897) USA – Pullman sleep wagon.
Wendell Brown (born 1961) USA – ADAP sound editor eVoice voicemail Teleo VoIP virtual workforce and energy efficiency technologies.
Artem Mikoyan (1905–1970) Armenia/Russia – MiG-series fighter aircraft including world's most produced jet aircraft MiG-15 and most produced supersonic aircraft MiG-21 (together with Mikhail Gurevich).
René Laennec (1781–1826) France – stethoscope.
Gilles de Roberval (1602–1675) France – Roberval balance.
Calvin Quate (1923–) with Gerd Binnig (1947–) and with Christoph Gerber (?–) USA/Germany/Switzerland – Atomic force microscope.
Abu-Mahmud al-Khujandi (c. 940–1000) Persia/Iran – astronomical sextant.
Samuel Hunter Christie (1784–1865) UK – Wheatstone bridge.
Marvin Camras (1916–1995) USA – magnetic recording.
Adolph Rickenbacker (1886–1976) Switzerland – Electric guitar.
Robert W. Bower (born 1936) USA – self-aligned–gate MOSFET.
Wright brothers Orville (1871–1948) and Wilbur (1867–1912) – USA – powered airplane.
Donald A. Glaser (1926–2013) USA – Bubble chamber.
(via YouTube)
Experimental science hardly ever affords us more than approximations to the truth; and whenever many agents are concerned we are in great danger of being mistaken. ~ Humphry Davy - 1778 to 1829
With monads and diads and pentads and triads My brain has been addled completely; And what’s really meant by ‘something-valent ’ Is a question I give up discretely. ~ John Cargill Brough - 1834 to 1872
In our work we are always between Scylla and Charybdis; we may fail to abstract enough and miss important physics or we may abstract too much and end up with fictitious objects in our models turning into real monsters that devour us. ~ Murray Gell-Mann b. 1929
Physicists being in no way different from the rest of the population have short memories for what is inconvenient. ~ Anthony Standen 1907 – 1993
Find the number such that if the whole of it is added to one-seventh of it the result will be nineteen. ~ The Ahmes Papyrus Ancient Egyptian mathematics problem from c. 2200 BC
The black holes of nature are the most perfect macroscopic objects there are in the universe: the only elements in their construction are our concepts of space and time. - Subrahmanyan Chandrasekhar 1910 to 1995 Astrophysicist
Why the dinosaurs died out is not known but it is supposed to be because they had minute brains and devoted themselves to the growth of weapons of offense in the shape of numerous horns. ~ Bertrand Russell 1872 – 1970 - Mathematician and Philosopher
![Samsung SmartThings Hub 3rd Generation [GP-U999SJVLGDA] Smart Home Automation Hub Home Monitoring Smart Devices - Alexa Google Home Compatible - Zigbee, Z-Wave, Cloud to Cloud Protocols - White](https://images-na.ssl-images-amazon.com/images/I/21U2PiQ8EqL._SL160_.jpg)
- Connectivity: Wirelessly connect and control a wide range of compatible smart devices from 40+ partner brands, including voice assistants, lights & switches, speakers, cameras, sensors and more
- Home Automation: Teach the hub your Good Morning, Goodbye, Goodnight, and other routines to automatically turn devices on or off throughout the day
- 24/7 Monitoring: Receive app alerts from connected devices when there's unexpected activity in your home.Material: Plastic
- Voice Controls: Use voice commands to control connected devices using SmartThings and the Google Assistant
- Improved DIY Solution: Improved guided onboarding for easier setup. Hub connects with Wi-Fi so does not need to be connected to an Ethernet cable
- VOICE ACTIVATED: With the Philips Hue Smart Hub, add up to 50 Philips Hue smart lights of your choice with this ZigBee-controlled hub necessary for voice control with Alexa, Apple HomeKit, or Google Assistant
- CONTROL YOUR SMART LIGHTS FROM ANYWHERE: The heart of your Philips Hue system, this hue hub also enables you to control all of your Philips Hue products via the Philips Hue app, even when you're away from home
- FULLY AUTOMATE YOUR SMART HOME: Enhance your Philips Hue system by setting timers and alarms, connecting to a variety of apps, dimming the smart lights and more (cannot be used with conventional dimmers)
- EXPAND YOUR ECOSYSTEM: Easily expand your smart lighting system with Philips Hue accessories (sold separately), such as a Hue Dimmer Switch, Hue Tap, or Hue Motion Sensor. Pair it for home automation with your existing Nest or SmartThings system. Control your hue lights by connecting the Hue Hub to your router with the included ethernet network cable. This box also includes one Philips Hue Hub, power adapter, manual, and two-year warranty for the full Philips Hue experience
- CROSS-DEVICE COMPATIBILITY: HomeKit compatible iOS 9 or later. iPhone:4, 4S, 5, 5S, 6, 6 Plus, 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X, iPhone Xs, iPhone Xs Max, iPhone Xr, iPod touch: 5th generation.Network Connectivity:Wireless A,Wireless B,Wireless G,Wireless N
- Connect your Home: The brains of the Sengled system, the hub enables you to control up to 64 Sengled Smart lights and accessories with the hub. A hub is necessary to use a voice assistant, like Alexa and Google Assistant
- Easy to Install: Connect the Sengled Smart Hub to your router using the included Ethernet cable and use the in-app guide to set up
- Home Automation: Easily extend your smart home system across every room by connecting Sengled Smart LEDs and accessories to the hub, then automate
- Voice control: Connect the hub to Alexa or Google Assistant-enabled devices and use your voice to control your Sengled Smart LEDs and accessories
- One simple app: Control all your Sengled smart devices using the Sengled Home app (iOS/Android.) Set schedules, group devices and more to control all of your home's Sengled smart products
