Nothing can be more certain than this: that we are just beginning to learn something of the wonders of the world on which we live and move and have our being. ~ William Ramsay - 1852 to 1916
A fact acquires its true and full value only through the idea which is developed from it. ~ Justus von Liebig - 1803 to 1873
Robert Adler (1913–2007) Austria/United States – wireless remote control (with Eugene Polley).
David Gestetner (1854–1939) Austria-Hungary / UK – a.o. Gestetner copier.
Robert Swanson (1905–1994) Canada – Invented and developed the first multi-chime air horn for use with diesel locomotives.
Hasan al-Rammah (fl.1270s) Syria – rocket-propelled torpedo.
Aleksandr Dianin (1851–1918) Russia – Bisphenol A Dianin's compound.
Zang-Hee Cho (born 1936) South Korea – co-inventor of Positron emission tomography and PET-MRI.
Dudley Allen Buck (1927–1959) USA – a.o. Cryotron content-addressable memory.
Hippolyte Pixii (1808–1835) France – Pixii dynamo.
Thomas Wedgwood (1771–1805) UK – first (not permanent) photograph.
Ross Granville Harrison (1870–1959) USA – first successful animal Tissue culture Cell culture.
Paul Berg (born 1926) USA – created the first Recombinant DNA molecules.
Bernard Tellegen (1900–1990) Netherlands – pentode.
Seth Boyden (1788–1870) USA – nail-making machine.
Hermann Anschütz-Kaempfe (1872–1931) Germany – Gyrocompass.
Nestor Makhno (1888–1934) Ukraine/Russia – tachanka.
Otto Wichterle (1913–1989) Czechoslovakia – soft contact lens.
Laszlo Biro (1899–1985) Hungary – modern ballpoint pen.
Julius Fromm (1883–1945) Germany – first seamless Condom.
Stanislav Brebera (1925–2012) Czech Republic – Semtex explosive.
Alberto Gianni (1891–1930) Italy – Torretta butoscopica.
Perhaps it is not amiss to remark that the biologist may not hope to solve the ultimate problems of life any more than the chemist and physicist may hope to penetrate the final mysteries of existence in the non-living world. ~ Edmund Beecher Wilson 1856 to 1939 - Geneticist Biologist
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
The legend that every cipher is breakable is of course absurd though still widespread among people who should know better. ~ J.E. Littlewood 1885 – 1977 - Mathematician
On the principle of successive variations not always supervening at an early age and being inherited at a corresponding not early period of life we can clearly see why the embryos of mammals birds reptiles and fishes should be so closely alike and should be so unlike the adult forms. ~ Charles Darwin 1809 to 1882 - Naturalist Evolutionary Biologist
Physicists being in no way different from the rest of the population have short memories for what is inconvenient. ~ Anthony Standen 1907 – 1993
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
Suppose we have an unknown number of objects. When counted in threes 2 are left over when counted in fives 3 are left over and when counted in sevens 2 are left over. How many objects are there? ~ Sunzi The Mathematical Classic of Sunzi - Chinese mathematics problem from c. 450 AD
- 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