Time is the best appraiser of scientific work and I am aware that an industrial discovery rarely produces all its fruit in the hands of its first inventor. ~ Louis Pasteur - 1822 to 1895
I believe there are 15 747 724 136 275 002 577 605 653 961 181 555 468 044 717 914 527 116 709 366 231 425 076 185 631 031 296 protons in the universe and the same number of electrons. - Sir Arthur Eddington 1882 to 1944 Astronomer Physicist Mathematician
Nestor Genko (1839–1904) Russia – Genko's Forest Belt (the first large-scale windbreak system).
Anthony Michell (1870–1959) Australia – tilting pad thrust bearing crankless engine.
Karl von Reichenbach (1788–1869) Germany – paraffin creosote oil phenol.
Pieter van Musschenbroek (1692–1761) Netherlands – Leyden jar pyrometer.
Werner von Siemens (1816–1892) Germany – a.o. electric elevator Electromote (= first trolleybus) an early Dynamo.
Norman Holter (1914–1983) USA – Holter monitor.
Salih Tahtawi (fl.1659–1660) Mughal India – seamless globe and celestial globe.
Dmitry Lachinov (1842–1902) Russia – mercury pump economizer for electricity consumption electrical insulation tester optical dynamometer photometer elecrolyser.
August Schrader (1820–?) USA – Schrader valve for Pneumatic tire.
Andreas Stihl (1896–1973) Switzerland/Germany – Electric chain saw.
Robert Cailliau (born 1947) Belgium – with Tim Berners-Lee the World Wide Web.
Lewis Latimer (1848–1928) USA – Invented the modern day light bulb.
Larry Page (born 1973) USA – with Sergey Brin invented Google web search engine.
Sennacherib (705–681 BC) Iraq (Mesopotamia) – screw pump.
George Washington Carver (c. 1864 – 1943) USA – agriculture.
Fe del Mundo (1911–2011) The Philippines – medical incubator made out of bamboo for use in rural communities without electrical power.
Grace Murray Hopper (1906–1992) USA – Compiler.
Alexandre Alexeieff (1901–1982) Russia/France – pinscreen animation (with his wife Claire Parker).
Norman Joseph Woodland (1921–2012) together with Bernard Silver (1924–1963) USA – Barcode.
Aurel Stodola (1859–1942) Slovakia – gas turbines.
We think there is color we think there is sweet we think there is bitter but in reality there are atoms and a void. ~ Democritus c. 460 – c. 370 BC
There is no law except the law that there is no law. - John Archibald Wheeler 1911 to 2008 Theoretical Physicist
Primates are visual animals above all and anatomical work in particular is as much pictorial as verbal. ~ Stephen Jay Gould 1941 to 2002 - Paleontologist
Physics is actually too hard for physicists. ~ David Hilbert 1862 to 1943 (Mathematician)
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
Simple laws can very well describe complex structures. The miracle is not the complexity of our world but the simplicity of the equations describing that complexity. ~ Sander Bais b. 1945 - Theoretical Physicist
The country which is in advance of the rest of the world in chemistry will also be foremost in wealth and in general prosperity. ~ William Ramsay - 1852 to 1916
- $5 Preloaded 30-Day wireless service at 2¢ per VOICE TEXT & 2¢/MB nationwide 2G 3G & 4G LTE Data. That's 250 minutes talk or 250 texts or 250 MB Data.
- Our prepaid sim cards are designed for users that need a minimal amount of airtime each month/year. Sim card is free and pre-cut in 3 sizes to fit any device, standard-sized SIM, Micro-sized SIM or/and a Nano-sized SIM card.
- Supports GPS tracking devices such as but not limited to vehicle trackers, kid/pets tracker, personal tracker, senior tracker.
- No Activation fee NO Contract NO Credit Check.
- Our service will work within the United States in partnership with T-Mobile Network. Roaming is not supported in our plans.
- Control any plug in device from anywhere and keep an eye on your device's energy usage using the Geeni app (iOS 8 or higher/Android 4.1 or higher)
- No hub required, Wi-Fi built-in
- Set your schedule and automatically tailor your plugged in devices to perfectly fit your life
- Save money, energy and the environment
- Voice control with Amazon Alexa & Google assistant
- Powerful function :pedometer, distance, calorimetric measurement, heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, sleep monitoring, SMS and content alerts, alarm settings, incoming calls alert, caller ID display, application messages alert, find your phone, anti lost, reminder of exercise goal.
- Methods: scan the QR code on the manual or download "Wearfit" in APP store. Please make sure your phone Bluetooth function was turned on. Open "Wearfit", click the selection of link to bracelet, find the device name in the list and click it. Then enter the main interface. The "wearfit" app is compatible with Bluetooth 4 and above smart phones, iOS version 8 above, or Android version 4.4 above.
- To measure heart rate, blood pressure and oxygen, it need to wait for 1-2 minutes. The measurements are for reference only, as it's not a medical device after all.
- The bracelet is made of special silicone, comfortable for wearing, suitable for 5.5-8 inch various sizes of wrist. 80mA lithium battery, charging 1.5 hours about 5 days of standby time.
- Waterproof: waterproof grade IP67, can effectively prevent the rainwater, sweat, and prevent dust.