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Printed Fingertip With Enhanced Tactile Sense

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Researchers at the University of Bristol in the UK have created a 3D printed fingertip that is designed for use by robots or as a component of robotic prostheses. The structure mimics the dermal papillae found in human skin, which are small bumps present between the dermis and epidermis that are important in human touch. In the printed fingertip, the papillae are created through a 3D printed mesh of pin-like structures that lie beneath a flexible “skin” coating, and their displacement and speed of movement inform the robot about the objects it is touching. So far, the artificial fingertips have been shown to mimic human skin quite closely when it comes to artificial neural recordings.

We tend to take the complexity and sophistication of our bodies for granted when performing everyday tasks, such as grasping something. However, our fingertips provide us with highly sensitive measurements on the characteristics of the surface we are touching, and allow us to apply the correct amount of force to manipulate a given object appropriately. Such complexities are not lost on researchers who attempt to emulate the body, such as those who create robotic prostheses or other robotic gripping devices.

At present, robots and robotic prostheses have a fairly limited grasp on the delicacies of gripping and manipulating objects. Applying the correct amount of force can be a difficult task when robot fingers cannot really feel what they come in contact with. This latest technology aims to change that. This 3D printed fingertip mimics human skin in an effort to improve its sensing abilities.      

“Our work helps uncover how the complex internal structure of human skin creates our human sense of touch,” said Nathan Lepora, a researcher involved in the study. “This is an exciting development in the field of soft robotics – being able to 3D-print tactile skin could create robots that are more dexterous or significantly improve the performance of prosthetic hands by giving them an in-built sense of touch.”

To emulate the dermal papillae found in human skin, the researchers used a sophisticated 3D printer that can blend hard and soft material to create complex structures. They have compared artificial neural recordings obtained from the fingertip with real neural data to assess how close the artificial fingertip comes to the real thing.

“We found our 3D-printed tactile fingertip can produce artificial nerve signals that look like recordings from real, tactile neurons. Human tactile nerves transmit signals from various nerve endings called mechanoreceptors, which can signal the pressure and shape of a contact,” said Lepora. “Classic work by Phillips and Johnson in 1981 first plotted electrical recordings from these nerves to study ‘tactile spatial resolution’ using a set of standard ridged shapes used by psychologists. In our work, we tested our 3D-printed artificial fingertip as it ‘felt’ those same ridged shapes and discovered a startlingly close match to the neural data.”

Here’s a University of Bristol video about the project:

Study in Journal of The Royal Society Interface: Artificial SA-I and RA-I afferents for tactile sensing of ridges and gratings

Via: University of Bristol

Source: medgadget.com

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Harlem Resi Project Heads to Contentious Council Vote

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A controversial proposal for residential towers in Harlem is now in the hands of the City Council. The City Planning Commission on Monday voted in favor of One45, a two-tower project that could bring more than 900 apartments to West 145th Street and Lenox Avenue, of which more than 200 units would be affordable. Ahead of the vote, City Planning Chair Dan Garodnick said the project was an opportunity to “put a dent” in the

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Dollar Jumps Amidst Global Stocks Turmoil, but Dow Jones Closes Higher

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NEW YORK, New York – U.S. stocks finished higher in choppy trading on Monday, buoyed by a rally in tech names.

Earlier in the day shares in China plunged with the Shanghai Composite losing 5.13 percent. Hong Kong’s Hang Seng shed 3.73 percent. Falls were also prominent in London and the UK while the U.S. dollar rallied sharply.

Despite the turmoil elsewhere, in the U.S., the Dow Jones Industrial Average ros

Original Article: bignewsnetwork.com

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Seplat Energy Plc Appoints Odunewu, 2 Others As Non-Executibe Directors

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Seplat Energy Plc has announced the appointment of Mrs. Bashirat Odunewu as an Independent Non-Executive Director of the company, Mr. Kazeem Raimi & Mr. Ernest Ebi as Non- Executive Directors, respectively.

This was disclosed through a notice by the company which was filed with the Exchange and signed by the Director Legal/Company’s secretary, Mrs. Edith Onwuchekwa.

The appointment of the Non-Executive Directors, according to the disclosure, will be effective from 18th May, 2022.

About the appointees

Mrs. Bashirat Odunewu –  Independent Non- Executive Director

Mrs. Bashirat Odunewu is a Banking and financial expert with about 30 years’ experience in the Finance and Banking Industry. Up till June 2021, she served as C-Suite executive, corporate banking (Energy, Natural Resources & Infrastructure), at First Bank Nigeria Ltd, prior to which she was the line executive for their international banking group where she supervised CEOs of the subsidiaries of First Bank in 6 African countries as well as the Bank’s Representative office in China and served as a board member for several of them.

She currently serves as an INED on the board of Leadway Holdings and Non-Executive Director (NED) on the Boards of some African Subsidiary Banks of First Bank Nigeria. She is an Independent NED on the Board of Neimeth International Pharmaceuticals Plc (an NGX quoted company) and is also a member of the Board of Directors for the Franco-Nigeria Chamber of Commerce and Industry where she serves as the Treasurer.

Mrs. Odunewu has experience spanning audit/accounting, corporate & commercial banking, Investment banking and treasury in various financial institutions. She has specialized in Oil and Gas financing projects and led notable successful syndications for acquisitions and development. She has been the recipient of several Merit Awards in the organizations she has worked in recognition of her stellar performance

Mr. Kazeem Raimi – Non-Executive Director

Mr. Kazeem Raimi is a nominee of Platform Petroleum Limited replacing Mr. Austin Avuru who stepped down from the Board of Seplat Energy on 1st March 2022. Mr. Raimi is presently the Executive Director, Commercial for Platform Petroleum Limited. Previously with Seplat Energy as General Manager, Commercial, Mr. Raimi was charged with the responsibility for driving commercial, economics, valuation, planning and treasury activities across the entire organisation. He also served previously as Manager, Corporate Planning and Economics at Seplat Energy.

Mr. Raimi has extensive experience in project economics and risk analysis having been Lead Petroleum Economics and Commercial Advisor at Addax Petroleum Nigeria where he also served in different capacities. Prior to this, Mr. Raimi served as Treasury Manager at Cadbury Nigeria Plc and Finance Analyst at Citibank Nigeria Limited. He had significant involvement in commercial and economic evaluations of new ventures, farm-in and company acquisition opportunities with a thorough appreciation of tax, fiscal issues and project economics especially as they relate to Nigeria, Gabon, Iraq and Cameroon.

In addition to his role at Platform Petroleum Limited, Mr. Raimi also serves as a Non – Executive Director at PNG Gas Limited and Ase River Transport Company Limited.

Mr. Ernest Ebi – Non-Executive Director

Mr. Ernest Ebi is a nominee of Shebah Petroleum Development Company Limited (BVI) replacing Dr. A.B.C Orjiako who will step down from the Board of Seplat Energy on 18th May 2022 after the Annual General Meeting. Mr. Ebi is an executive whose vast experience in the banking and finance industry spans over four (4) decades. From June 1999 to June 2009, he was appointed as a Deputy Governor at the Central Bank of Nigeria, Nigeria’s apex bank, where he covered policy and corporate services portfolios. Prior to this, Mr. Ebi held several executive positions in the banking industry in Nigeria and the United States of America. He was the Deputy Managing Director in Diamond Bank Ltd where he led the bank’s financial services marketing strategy & initiatives for new business development amongst others.

Mr. Ebi served as the Board Chairman of Fidelity Bank Plc (2016 – 2020) and AIICO Pension Managers (2010-2021) and currently serves as an Independent Director on the Board of Dangote Cement Plc., Julius Berger Nigeria Plc., Coronation Capital Ltd, and Coronation Asset Management Ltd.

Mr. Ebi is also a Fellow, Chartered Institute of Bankers, FCIB and Fellow, Institute of Directors Nigeria (F.IOD). Mr. Ebi has a very distinguished career within the Banking and financial services industry and has undertaken several leadership courses in Harvard Business School and Oxford Said Business School.

 

The post Seplat Energy Plc appoints Odunewu, 2 others as Non-Executibe Directors appeared first on Nairametrics.

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