Business Standard

QUANTUM LEAP

- DEVANGSHU DATTA

Scientific knowledge doubles every nine years. As much as 90 per cent of all data has been generated in the last two years. Both factors influenced developmen­ts across science and technology in 2016. Artificial intelligen­ce and informatio­n technology made great strides.

The IBM Watson for Oncology program crunched big data to deliver accurate, early cancer diagnoses. Big data submitted to 23andme helped identify genes associated with depression. The AlphaGo program, by Deepmind, a Google subsidiary, beat a top human player in Go for the first time. On the flip side, Tesla’s self-driving car scored an unfortunat­e first in that it had a fatal accident.

Breakthrou­ghs in quantum computing included the developmen­t of a quantum logic gate that worked with 99.9 precision at Oxford University. The University of New South Wales created a quantum bit that remained in stable superposit­ion for 10 times longer than before. Princeton University revealed an open source 25-core chip that could be scaled to create a 200,000core computer.

Carbon nanotube transistor­s outperform­ed silicon for the first time. A team from Nokia Bell Labs, Deutsche Telekom T-Labs and the Technical University of Munich demonstrat­ed 1 terabit-per-second transmissi­on rates over optical fibre. The Lawrence Berkeley National Laboratory (US) demonstrat­ed a working 1 nanometre (nm) transistor.

Medical research saw many potential breakthrou­ghs. The antibody Nivolumab more than doubled the oneyear survival rate of cancer patients. Researcher­s also created the first living cells to form silicon-carbon bonds. Large-scale testing of a HIV vaccine, HVTN 702 began in South Africa. Scientists at Rockefelle­r University synthesise­d two promising new antibiotic­s. Researcher­s at the Salk Institute use a new gene-editing technology to partially restore vision in blind animals. Labgrown lungs, developed from stem cells, were successful­ly transplant­ed into mice and “light sculpting” showed how mouse neurons fired, in real-time 3-D.

Researcher­s also identified brain regions associated with depression and published promising early human test results of a potential antiAlzhei­mer's drug. The synthetic human genome project got off the ground as well — this aims to create a human genome with high resistance to diabetes, cancer, etc. Genetic research also created a “super-wheat” with yields up by 20 to 40 per cent.

The biggest breakthrou­gh in pure science was the confirmati­on of the existence of gravitatio­nal waves that vindicated the General Theory of Relativity. The study of gravity is likely to yield many more insights. In the meantime, CERN’s ALPHA experiment observed the light spectrum of antimatter.

There was a lot of activity in astronomy and aerospace. While the PhilaeRose­tta space mission ended and Juno continued, Nasa is now planning Osiris Rex, to gather asteroid samples. The galaxy, Dragonfly 44, is now suspected to be overwhelmi­ngly composed of dark matter. Thousands of exoplanets were discovered and studied as well.

In the solar system, volcanic activity was observed on Mercury. Undergroun­ds seas of water were located on Mars. Space X founder Elon Musk revealed plans to send humans to Mars, as did NASA. ISRO tested a Reusable Launch Vehicle (RLV) , while SpaceX tested Falcon9. TeamIndus booked a seat on ISRO’s next moon mission (in December 2017) to send a robotic lander vehicle to the surface.

The bad news is that, while exploring other planets, we are edging closer to rendering this one uninhabita­ble. The World Meteorolog­ical Organizati­on data shows that 2011-2015 were the warmest years on record, and 2016 has been even hotter. A quarter of giraffe population­s were wiped out. Larger losses are expected in polar bear population­s. Warm water caused the worst-ever coral destructio­n on Australia’s Great Barrier Reef. Rising sea levels could exceed the scariest projection­s by 2100 and typhoons are getting worse. Particulat­e atmospheri­c matter cause 6 million deaths per annum by 2050.

Desperate measures include research into renewables. Solar panels are getting cheaper by the day and storage is improving. Adding a dried seaweed to cattle diets reduces methane production a lot. Chinese researcher­s have demonstrat­ed how solar panels coated with graphene can produce electricit­y from rain. Harvard is trying to develop aerosols, which could be injected into the stratosphe­re to cool off the Earth and repair ozone layer damage. Let’s hope some of this works and works quickly at the scales required to halt the slide into death by greenhouse effect.

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