The chemists are a strange class of mortals impelled by an almost insane impulse to seek their pleasures amid smoke and vapor soot and flame poisons and poverty; yet among all these evils I seem to live so sweetly that may I die if I were to change places with the Persian king. ~ Johann Joachim Becher - 1635 to 1682
The finding of the double helix thus brought us not only joy but great relief. It was unbelievably interesting and immediately allowed us to make a serious proposal for the mechanism of gene duplication. ~ James Watson 1928 – Present - Geneticist
Ruth R. Benerito (1916–2013) USA – a.o. Permanent press (no-iron clothing).
Igor Kurchatov (1903–1960) Russia – first nuclear power plant first nuclear reactors for submarines and surface ships.
James Hargreaves (1720–1778) UK – spinning jenny.
Charles Thomson Rees Wilson (1869–1959) UK – Cloud chamber.
Margaret E. Knight (1838–1914) USA – machine that completely constructs box-bottom brown paper bags.
Al-Sijzi (c. 945–1020) Persia/Iran – heliocentric astrolabe.
Hans Schrader (1924–1963) together with Franz Joseph Emil Fischer (1877–1947) Germany – Fischer assay (oil yield test).
Richard James Burgess (born 1949) UK – Simmons (electronic drum company) co-inventor of SDS5 drum synthesizer.
Walton Musser (1909–1998) USA – Harmonic drive gear.
Lev Artsimovich (1909–1973) Russia – tokamak.
Igor Spassky (born 1926) Russia – Sea Launch platform.
Édouard Michelin (1859–1940) France – pneumatic tire.
Garrett A. Morgan (1877–1963) USA – inventor of the smoke hood.
Claude Beck (1894–1971) USA – Defibrillator.
Ross Granville Harrison (1870–1959) USA – first successful animal Tissue culture Cell culture.
Charles Dow (1851–1902) USA – Dow Jones Industrial Average.
Yi Xing (683–727) China – astronomical clock.
Benoît Fourneyron (1802–1867) France – water turbine.
Yevgeny Kaspersky (born 1965) Russia – Kaspersky Anti-Virus Kaspersky Internet Security Kaspersky Mobile Security anti-virus products.
Ridgway Banks inventor of the Banks Engine a Nitinol based solid state heat engine.
Science is vastly more stimulating to the imagination than the classics. - J. B. S. Haldane 1892 to 1964 Biologist
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
Chemistry begins in the stars. The stars are the source of the chemical elements which are the building blocks of matter and the core of our subject. ~ Peter Atkins - 1940 to present
No two electrons in the same state? That is why atoms are so unnecessarily big and why metal and stone are so bulky. (Explaining that atoms are as large as they are because of Wolfgang Pauli’s Principle.) ~ Paul Ehrenfest 1880 – 1933
A fact acquires its true and full value only through the idea which is developed from it. - Justus von Liebig 1803 to 1873 Chemist
Macroscopic objects as we see them all around us are governed by a variety of forces derived from a variety of approximations to a variety of physical theories. In contrast the only elements in the construction of black holes are our basic concepts of space and time. They are thus almost by definition the most perfect macroscopic objects there are in the universe. ~ Subrahmanyan Chandrasekhar 1910 to 1995
There may be babblers wholly ignorant of mathematics who dare to condemn my hypothesis upon the authority of some part of the Bible twisted to suit their purpose. I value them not and scorn their unfounded judgment. ~ Nicolaus Copernicus 1473 – 1543 Mathematician and Astronomer
- $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.