Nearly 2.5 billion years of prokaryotic cells and nothing else – two-thirds of life’s history in stasis at the lowest level of recorded complexity… Why did life remain at stage 1 for two-thirds of its history if complexity offers such benefits? ~ Stephen Jay Gould 1941 to 2002 - Paleontologist
A fact acquires its true and full value only through the idea which is developed from it. ~ Justus von Liebig - 1803 to 1873
John Thompson Dorrance (1873–1930) USA – Condensed soup.
Archibald Low (1882–1956) Britain – Pioneer of radio guidance systems.
Georgi Nadjakov (1896–1981) Bulgaria – wikt:photoelectret.
Hans Lippershey (1570–1619) The Netherlands – telescope.
Fujio Masuoka (1943–) Japan – Flash memory.
Leonardo da Vinci (1452–1519) Italy – conceptualized a helicopter a tank concentrated solar power the double hull. Relatively few of his designs were constructed during his lifetime. Some that were used are an automated bobbin winder and a machine for testing the tensile strength of wire.
Edwin Howard Armstrong (1890–1954) USA – FM radio.
Albert Hofmann (1906–2008) Switzerland – LSD.
Franz Joseph Emil Fischer (1877–1947) together with Hans Schrader (1921–2012) Germany – Fischer assay (oil yield test).
Bernard Tellegen (1900–1990) Netherlands – pentode.
James Homer Wright (1869–1928) USA – Wright's stain (histology).
Arkhip Lyulka (1908–1984) Russia – first double jet turbofan engine other Soviet aircraft engines.
Christian Schnabel (1878–1936) German – simplistic food cutleries.
Vasily Andreyev (1861–1918) Russia – standard balalaika.
Peter Durand (inv. 1810) UK – canning using tin cans see also Nicolas Appert.
Friedrich Clemens Gerke (1801–1888) Germany – current international Morse code.
Taqi al-Din Muhammad ibn Ma'ruf (1526–1585) Syria/Egypt/Turkey – steam turbine six-cylinder 'Monobloc' suction pump framed sextant.
Gunther von Hagens (born 1945) Germany – whole body Plastination.
Fritz Haber (1868–1934) Germany – Haber process (ammonia synthesis).
Benjamin Chew Tilghman (1821–1897) USA – sandblasting.
In reality a theory in natural science cannot be without experimental foundations; physics in particular comes from experimental work. ~ Samuel C. C. Ting b. 1936
The literary convention that numbers less than 10 should be given in words is often highly unsuitable in mathematics… The excessive use of the word forms is regrettably spreading at the present time. ~ J.E. Littlewood 1885 – 1977 - Mathematician
All increasing or dominant species (and it is from these that new species arise) vary considerably in all their parts organs and faculties in every generation. ~ Alfred Russel Wallace 1823 to 1913 - Zoologist Evolutionary Biologist
In practical applications we are concerned only with comparatively small numbers; only stellar astronomy and atomic physics deal with ‘large’ numbers and they have very little more practical importance as yet than the most abstract pure mathematics. ~ G. H. Hardy 1877 – 1947 - Mathematician
What is possible in the Cavendish Laboratory may not be too difficult in the sun. - Sir Arthur Eddington 1882 to 1944 Astronomer Physicist Mathematician
Trial by combat of wits in disputations has no attraction for the seeker after truth; to him the appeal to experiment is the last and only test of the merit of an opinion conjecture or hypotheses. - Joseph Mellor 1869 to 1938 Chemist
Geometry inasmuch as it is concerned with real space is no longer considered a part of pure mathematics; like mechanics and physics it belongs among the applications of mathematics. ~ Hermann Weyl 1885 to 1955 - Mathematician and Theoretical Physicist
- 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