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
It is strange that only extraordinary men make the discoveries which later appear so easy and simple. - Georg C. Lichtenberg 1742 to 1799 Physicist
Frank Hornby (1863–1936) UK – invented Meccano.
Anthony R. Barringer (1925–2009) Canada/USA – INPUT (Induced Pulse Transient) airborne electromagnetic system.
Nikolay Popov (1931–2008) Russia – first fully gas turbine main battle tank (T-80).
William Murdoch (1754–1839) Scotland – Gas lighting.
Jean Bernard Léon Foucault (1819–1868) France – Foucault pendulum gyroscope eddy current.
Murasaki Shikibu (c. 973–1025) Japan – psychological novel.
Fritz Klatte (1880–1934) Germany – vinyl chloride forerunner to polyvinyl chloride.
Henry Heimlich (born 1920) USA – Heimlich maneuver.
Artur Fischer (born 1919) Germany – fasteners including fischertechnik..
Wright brothers Orville (1871–1948) and Wilbur (1867–1912) – USA – powered airplane.
Heinrich Rohrer (1933–2013) together with Gerd Binnig (1947–) Switzerland/Germany – Scanning tunneling microscope.
Gustav Giemsa (1867–1948) Germany – Giemsa stain (histology).
Michael I. Pupin (1858–1935) Serbia – pupinization (loading coils) tunable oscillator.
Hugo Schiff (1834–1915) Germany – Schiff test (histology).
Adolphe Kégresse (1879–1943) France/Russia – Kégresse track (first half-track and first off-road vehicle with continuous track) dual clutch transmission.
Alexandre Alexeieff (1901–1982) Russia/France – pinscreen animation (with his wife Claire Parker).
Karl Drais (1785–1851) Germany – dandy horse (Draisine).
Roger Bacon (1214–1292) UK – magnifying glass.
Herman Frasch (1851–1914) Germany / USA – Frasch process (petrochemistry) Paraffin wax purification.
Anders Celsius (1701–1744) Sweden – Celsius temperature scale.
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
Every aspect of the world today – even politics and international relations – is affected by chemistry. ~ Linus Pauling - 1901 to 1994
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
There are many ways of knocking electrons out of atoms. The simplest is to rub two surfaces together. ~ Fred Hoyle 1915 to 2001
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
This most beautiful system of the sun planets and comets could only proceed from the counsel and dominion of an intelligent and powerful Being. And if the fixed stars are the centres of other like systems these being formed by the like wise counsel must be all subject to the dominion of One; especially since the light of the fixed stars is of the same nature with the light of the sun. ~ Isaac Newton 1642 to 1727
Pure mathematics exist by themselves; no will produces them no power can limit them. They are eternal laws that no man can infringe and from which it is impossible to escape. ~ S. Sandaram Iyer 1883 - Philosopher
- $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.